MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/5af758a4d9ddf9dab17613f593d9bf20/91442881004.pdf In PDF document text
- http://bright-mineral.com/uploadfile/file/2021061721481812.pdfIn PDF document text
- http://www.buildonhope.org/file/19833796406.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/98942645735.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/gitenofutotam.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b53d6088eb6---kaloze.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd7fe50f8c---22101047341.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/su7bt9cs5qqapvqcui5ka2n45g/25535066328.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813d4d35388---62482608302.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/ged3o9a8a78fhmtcsjtrc3lcdh/batoxizorutowij.pdfIn PDF document text
- https://gw21.ch/uploads/userfiles/file/71325500166.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9dfc9a464---24653432261.pdfIn PDF document text
- http://d4storonto.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/kaxososinojalusine.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/g735g0mdocosp5f3sk8mi1ha87/37134019513.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/9e1a481ae61e1098da547aa8009705ed/duluweku.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608075c7b7cf1---megidok.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca5462a84a---xulavujepukusesebotekem.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/19257859909.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/504b44766d552aa89cf417c3b753860c/78198091924.pdfIn PDF document text
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19499114966.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/o2hrochek45k72n8sai32cn4o6/32683658849.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/57d6c6830e3ee80b1c26b43bcec010ed/37962587378.pdfIn PDF document text
- http://rotang.net/userfiles/file/66296495414.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/fk370la3jfn34t103knaqrafec/79627828651.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/nufolijesakusogiwi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=85+inch+tv+mounting+heightPDF 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_off000109c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000121df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121DF | 10612 bytes |
SHA-256: a27fea379cd932f3cde34b6bdc93d3a54bcda2c6f8e8e769f3591900b4670fea |
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font_02_sfnt_off00013a04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A04 | 16956 bytes |
SHA-256: 669c3361f4eb6d82414cb57216d6c73c80183d023d86ef2fee8958892fbb3dba |
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