MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan-like behavior. It contains a link farm pointing to multiple compromised websites, likely intended to deceive users into visiting malicious domains. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest an attempt to manipulate search engine results or distribute further malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=homeopathic+books+pdf PDF link annotation
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088ac23aef48---70896235719.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/49daa5ac8bb8002aa6cc25b49fceda8d/92850623765.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/manoxiz.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/80418039000.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/94221252525.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2591788fd---waborunabilar.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e16bd577273---beletinotofavakazir.pdfIn PDF document text
- https://abofahed.com/userfiles/file/36706968521.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/97537064325.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/960eb38805695ba2c587afe09dfac93d/bifazesimatulajadu.pdfIn PDF document text
- https://baxsporthorses.com/userfiles/file/zugarot.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/sazobubuxavatitisujorebo.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089305650316---9806162618.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a45813682---97800935992.pdfIn PDF document text
- http://teenaramainc.org/clients/875997/File/6340373940.pdfIn PDF document text
- http://homelife-superstars.com/image/files/folozemewekak.pdfIn PDF document text
- http://cochu.net/resimler/files/bibasef.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db55cbdcaa---safunovuzeduzuxafixinuxu.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/160a0171c1c3c5---ritufaj.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/1acfca7cab7d2bb301d433fbaf19ce37/5491560018.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c77a94e9bd---gowagijofutirolazije.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5baacee4d---boloxewumibid.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/42698488265.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/21377404725.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec0d460b03---42859699554.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_off0000e4fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4FE | 17048 bytes |
SHA-256: 848d35e41971c5d717fd07669729e03dba177736c8c63442ead87232412777bc |
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font_01_sfnt_off0001119f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B6 | 10856 bytes |
SHA-256: f84db308d02e2b9d4f8428969e10b10100350aaa284d4a79adc6fea455188c27 |
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