MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a phishing or link farm attack. While no scripts were explicitly extracted, the nature of the embedded links and the detection as a trojan indicate a malicious intent to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://ketchas.ru/uplcv?utm_term=how+much+are+howard+miller+grandfather+clocks+worth PDF link annotation
- http://alliance-ic.ru/uploads/file/69280749521.pdfIn PDF document text
- http://thrifty-uy.com/files/others/86237368022.pdfIn PDF document text
- http://sitepride.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/kejitemez.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1625178350.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/a0e17428598afeb9c38007b7ce75ae1e/58671764269.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0872683bd6---12977288317.pdfIn PDF document text
- http://altinay-law.com/images/file/mesejaxaveki.pdfIn PDF document text
- http://allycatering.com/userfiles/bitelagikefegubivuvu.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4de39ad569---37145470553.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/44305503481.pdfIn PDF document text
- http://christmaslandint.com/userfiles/46139415789.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/58529783306.pdfIn PDF document text
- https://concertwristband.com/resimler/files/vasikutovepe.pdfIn PDF document text
- https://panama4d.com/contents//files/30247286261.pdfIn PDF document text
- http://arablift.net/userfiles/file/93913287144.pdfIn PDF document text
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/vebos.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad9b6e89c9---nefufasapuvijimesarinujo.pdfIn PDF document text
- http://lovesushiscv.com/uploads/files/minajadeve.pdfIn PDF document text
- http://scmsalliance.com/clients/864514/File/nagerelusivalopututarufi.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_off0000e5d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDEA | 11192 bytes |
SHA-256: 4935f0274e0e427265bfc89ce503a0ca9a67d78c70a4fe679c852e40f01f7c19 |
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font_02_sfnt_off000117bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BD | 19192 bytes |
SHA-256: ca34c7777344cbf7bfac073768f437217fd5797922ba65eefda3a51317927765 |
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