MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution campaign. The embedded links are designed to appear legitimate but lead to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/8995d7392c376f5f3679d35937a6bba7/94524909364.pdf In PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b8481b45cee---bolikarilibexemizuvo.pdfIn PDF document text
- http://whatdwellswithin.com/file/poluw.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/vebemozifuz.pdfIn PDF document text
- https://burlingame.com/wysiwygfiles/file/31782436852.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/64892955328.pdfIn PDF document text
- http://chinalabware.ru/d/files/gurujupipudinejibapula.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe3c85528b---jogonatax.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/fb216f9b4bb9f33b8c4733d9551e9d62/61724808315.pdfIn PDF document text
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/61da79f9fac46397504c6297c004dc2a/fulowexikuximijoko.pdfIn PDF document text
- http://zjpjxt.cn/upload/uploadfile/file/vajupew.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/g52osiua1v62c6i0u588flstak/43701494109.pdfIn PDF document text
- https://activepymes.com/pub/file/51397569069.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd188123c9b---3358040970.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/genupe.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/perol.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/5781191770.pdfIn PDF document text
- http://buddhavehicle.com/userfiles/file/45906158762.pdfIn PDF document text
- http://hyundai-dongdo.vn/images/files/pamutedofowilifip.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/bqug2md4nt5qfn8b55sqeicl8b/79644129717.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/a3879435cb5c4c1bc3f452593705f99d/4786217799.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/94620185367.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=3rd+largest+city+in+brazilPDF 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_off0000f337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF337 | 10812 bytes |
SHA-256: d28df2a7297aa5bebd08522c91701a1378f8ad286bc56836782847a1e86eb37d |
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font_01_sfnt_off00010c1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001242e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1242E | 18372 bytes |
SHA-256: 48cb51c0d8bbea99a71dfd71334ab4915f91428fe90cecb9fcf8e86b6dd4f1f6 |
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