MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to various websites, many of which are hosted on compromised or disposable domains. Heuristics indicate this is a link farm designed to direct users to external content, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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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 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://cructi.ru/uplcv?utm_term=android+img+file+download PDF link annotation
- https://wedding-photos.cz/userfiles/file/soxumuputidori.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b08c75c9b---jilim.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138513010378---rejegavumakep.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/45328471410.pdfIn PDF document text
- http://www.eurosecurimed.com/ckfinder/userfiles/files/rufefuvikuxobukog.pdfIn PDF document text
- https://cfacgroup.com/uploads/FCK_files/file/dujigafigaxekikur.pdfIn PDF document text
- https://strechybenesov.cz/content/jafijevogewelunosonirowu.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/79244656528.pdfIn PDF document text
- https://gestcargo.com/uploadfiles/file/bivewodubidego.pdfIn PDF document text
- https://lanhcongnghiepthinhphat.com/upload/files/6275967256.pdfIn PDF document text
- http://beming.com/ressource/site-image/files/3596697437.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/92854969524.pdfIn PDF document text
- http://noahmission.org/dataroom/file/zovemugena.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/12343616926.pdfIn PDF document text
- http://forglory.cz/ckfinder/userfiles/files/29160866624.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/1133df614174290490a35b3a65f1c12e/16377529344.pdfIn PDF document text
- http://degrossier.nl/uploads/file/zawazifozuz.pdfIn PDF document text
- http://sicompk.com/survey/userfiles/files/97492376549.pdfIn PDF document text
- https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/pewotesodunolun.pdfIn PDF document text
- https://lanegarrett.net/userfiles/file/tavoge.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/91090542240.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c78edbe451---xewiluw.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/41305560028.pdfIn PDF document text
- 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_off0000af16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF16 | 14816 bytes |
SHA-256: e37b4392660a6ecda0c93d334d5c06327dec31a326ca948c7137f45d1cc94e63 |
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font_01_sfnt_off0000d46b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD46B | 10496 bytes |
SHA-256: 1d8d16708437d817b79e566203d3f2b2d400da26e6ebfac262168a9129cdb400 |
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font_02_sfnt_off0000ec17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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