MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS upload directories. The ML classifier and ClamAV also identified it as malicious, likely a phishing or trojan delivery mechanism. Although no scripts were explicitly extracted, the nature of the link farm suggests it is designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/78si13dvncou6eob10u2co93p6/72086554231.pdf In PDF document text
- http://arci-mp.fr/admin/File/zumapuxipivejesisuvel.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/40059085928.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/2a427369d3df92e0a42192e501f5c0cc/71624225817.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160863a7f30f9f---goziw.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/razewo.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b87bed5b91b---zotoxinepuvuvalokes.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210513101024.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a99a1f268ff---80381072720.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/81264346116.pdfIn PDF document text
- https://mmszke.hu/files/file/44108272332.pdfIn PDF document text
- https://defaico.com/d/files/85555566612.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d25359bbe7---finusodurapuf.pdfIn PDF document text
- http://arniestribu.com/campannas/file/kipalom.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a99e2f8df---24996680548.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/repisevezi.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c14cb8f43---37183238437.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a374dde4220---41990090003.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/b484b569e48d88985f935167f7382e24/48150298547.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/pugaxeximekuk.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/e87bc57fc90be504165ffffd0ed69d3d/nobaguxemuxaxakevubematat.pdfIn PDF document text
- http://westernstudioservice.com/admin/userfiles/file/nedipu.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4828dea796---lajovotoguwegu.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846ee0925b8---nekujopumopiwutelafa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+build+a+large+modern+house+in+minecraft+easyPDF 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_off0000f7b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCE | 11356 bytes |
SHA-256: 95e3ed36ad10fcbca43778c85da1e42aa8c80521ab2ef6ace46e18994567b59c |
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font_02_sfnt_off00012a26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A26 | 17176 bytes |
SHA-256: dcff95b53c6c5aa6de79ef1410e706ee866047b5740b6b669eb584de5a53703f |
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