MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, and contains embedded JavaScript. It functions as a link farm, directing users to numerous external URLs, many of which are hosted on compromised WordPress sites or use IP literals, indicating a likely phishing or spam campaign. The embedded JavaScript may be used to further obfuscate the malicious links or initiate a download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e83bd4d1227---22786062336.pdf In PDF document text
- http://activesolutionelectric.com/images/file/revabupasuzepowovadugo.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/762965d50982d0f4ac342284779a6ad3/morapekixufulekola.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16073995f79f58---67859653857.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/3668944585c6017158ec0879a0ab2bf6/63781934484.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/legejejare.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608fff30ba9ec---nikudulixoruzikaliravu.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9be1c49749---nunazamadokavaleba.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/72236803057.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/78207695022.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/75a258b7554e2dc82eaec19988f94144/vosiwoxet.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/6llcejg0gpool1t893chda0ej6/72667546676.pdfIn PDF document text
- https://m-astar.com/UserFiles/files/zupowadu.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/s8g8uj9oh4s2241768qmuftkkj/vubibopasogukixub.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91dc6c9828---migukameg.pdfIn PDF document text
- https://kocarbonag.com/luutru/files/wobegufokituvavutox.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609262f2d8f76---sejaneku.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/bevejapedezipa.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/ganub.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/e56317523148ba599b91329669bad474/25283856185.pdfIn PDF document text
- http://domainecomps.com/documents/files/vitak.pdfIn PDF document text
- https://kopari.hu/files/file/dunasufozeraw.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160896939a7816---suzavedoxubepe.pdfPDF link annotation
- http://www.zima.snowcat.pl/admin/ckfinder/userfiles/files/timefuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=que+es+un+sistema+de+control+manualPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE16 | 10692 bytes |
SHA-256: cb4d618bb658acc4822f9ab81db905b6a0c420a393b4e12fde0adc69027b8e7c |
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font_01_sfnt_off000106ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBE | 18340 bytes |
SHA-256: cf4931b186c7ff75316bc2525456a3ee2affaaf767652ce7e182a4f2ad0121c7 |
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