MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links on potentially compromised sites strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/a14b6c26b2fb2cf2671fc8707f64c816/75204445044.pdf In PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/6542168gbu7qan0if8dd3e4294/wajejavitonewivoxorevu.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/hvmul8umvvevj5mnuaj81hihc6/97731570567.pdfIn PDF document text
- https://decoveinvestment.com/userfiles/file/49992423059.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d03c830b6---liwibiniregagofidezifag.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/sitamofuzaledetivejebi.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/wojanuvego.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/872589e21a8817b116f9fca34ebcf4ee/59056860070.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/9b9efae420ab15bd6f20ad05ce9885bc/87530594725.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16092a2c90faa7---73812246846.pdfIn PDF document text
- http://bio86.fr/fichiers/nawalazifejuloziduxatavud.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/89796810338.pdfIn PDF document text
- https://mimpishio1.com/contents//files/dufesukidena.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/7c9872aafa7b3dcf3350b99906d68bb3/nekelata.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3f9e9a35f---71287403424.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/43828616886.pdfIn PDF document text
- http://vhs1970.com/clients/873287/File/9640770710.pdfIn PDF document text
- http://techbis.pl/files/file/93422268504.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/45483207396.pdfIn PDF document text
- http://myucmas.com/userfiles/file/98998219058.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/3a9afaddf53e6b763de780698cb4d2c9/26393435234.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/210733825260dfc750bc512.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/1c7b51a43f86f440cb410c7f28333042/kewatajegutilulad.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/17793484347.pdfIn PDF document text
- http://cw-cut.com/uploads/file/diwoko.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=label+in+englishPDF 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_off0000f559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF559 | 10168 bytes |
SHA-256: 4ca82adf5921cbcbc4cacfdfd2004334195bea8333d9a82ad6e3ec5b212e215f |
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font_01_sfnt_off00010bf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12405 | 17792 bytes |
SHA-256: d969f10dd39f1280e52ae9d930f30eaf255f26aa1cc9798ae40fd4a3857a2253 |
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