MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, with numerous embedded URLs pointing to external PDFs hosted on compromised WordPress sites. These links likely serve to redirect users to malicious content or phishing pages, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9914
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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 https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/ba5ea64k1nadfu16gfaee46u8o/zuwape.pdf In PDF document text
- http://dkmmotor.com/files/userfiles/file/10206237354.pdfIn PDF document text
- https://mk-sito.it/uploads/file/85504478008.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/53629090732.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/67376873457.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/ff1p2r8cc6g08gvrspfnav2qq6/kixibovizidomuzasolu.pdfIn PDF document text
- http://fritz-fahrlaender.ch/download/zukujobawoxu.pdfIn PDF document text
- https://smilepaper.tw/archive/upload/files/tixidodopikuwotatife.pdfIn PDF document text
- http://aucoindeshalles.com/menu/file/sakolikivimomof.pdfIn PDF document text
- http://clarkhigh72.com/clients/3/34/34275c7d49a174b5f6cf03bf5966da6c/File/tunenisulumanugadop.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/mabamaneno.pdfIn PDF document text
- http://etcad.net/np/upfile/file/kakaporedavugalinefetula.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/nuvofuridaxigobuludon.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a738396faaa---92402057720.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16087bb5e36e01---54411014937.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b807c9e8ea2---tesixirolatakoxed.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/muniditub.pdfIn PDF document text
- http://rafaelokazakov.com/file/kamiguta.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/luzadidalagotasogat.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/fc22d521de95672c87ae8637d44ed9f1/29919421579.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aec94a27619---dajuvazub.pdfIn PDF document text
- https://yenhuy.vn/upload/files/81953718298.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210703192247.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/3a1cc89dd7894a1c4d150c07361054c9/65856645722.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70739754670.pdfIn PDF document text
- http://apcmagon.com/userfiles/zitixosajozodanuti.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=10.s%C4%B1n%C4%B1f+biyoloji+pdf+indirPDF 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_off0000bbde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d3f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F0 | 17608 bytes |
SHA-256: 5bdfc268fe87093c6159214aa2af158e1a57e937b0a4064389466760a8427d44 |
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font_02_sfnt_off0000fec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC7 | 10672 bytes |
SHA-256: 826cdd59f41342b61cb4f943d66e1aa9f219fc59985509a30b68562e3f14c298 |
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