MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. The document contains numerous links, many pointing to compromised CMS upload directories, suggesting it's part of a link farm designed to distribute malware. The primary lure appears to be offering free book downloads, a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/uplcv?utm_term=agricultural+economics+books+pdf+free+download PDF link annotation
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/e257a5f24f1a677f28be45a92b55f56a/45166314412.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16070587f97901---40541347925.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/bevex.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/677e64db6bf080a684126731143fd9b3/18546240393.pdfIn PDF document text
- http://esipro.fr/userfiles/file/wijulatorekada.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/qi8l3mn2h6clei9gp2fs3lutq9/noberuk.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd5585f9b6---buserarufase.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/tododiferigazijonegowogup.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799627d5fc8---44202509139.pdfIn PDF document text
- http://banlinhkienlaptop.com/userfiles/file/76031841970.pdfIn PDF document text
- https://webfox.net.au/wp-content/plugins/super-forms/uploads/php/files/3a901a8683dd1e1e9a34ac40b96262ae/gitatiwawurevow.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c91f596ab1---15566542707.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8fd34a107---98040795744.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607271d723970---76018095068.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/390ck0n0dbfmk6nfst6ola5d7a/tezopasudot.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/fdbd85098437c9580547111490df0efd/55764388694.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD189 | 5644 bytes |
SHA-256: e061f786a43e7520d5b58d1d19def717f4d430da3cca72965c901048e771740f |
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font_01_sfnt_off0000e4a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A8 | 10760 bytes |
SHA-256: 60291ce10a0ab7f9032c4bb0bb2be6609ae7f549817f1d7c937039ed289cadbf |
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font_02_sfnt_off0001093e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093E | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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