MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of a QR code lure further indicates a phishing or malware distribution attempt. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://wastran.ru/uplcv?utm_term=qr+scanner+ad+free PDF link annotation
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d2bd1ee71---kuzidudaguwumipowidox.pdfIn PDF document text
- https://gruntbudowa.pl/files/file/18902108239.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9b1a72584---24104704271.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/b061192c30b69b13e5fce7bbd9ab4b2d/lowikuxilupidobojagapika.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607203d80e623---zuvunonefukorumelagozegov.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rc3kren2r38sbcqaiovahclbpp/609839341.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcb8608a47---11948343752.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/884ad5212986775947f97f1d447c593d/disifesujenoxugom.pdfIn PDF document text
- https://mollis.rs//files/56055671594.pdfIn PDF document text
- http://hanhthien.net/uploads/file/muzedosebozisepes.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/15ee37b2f2fa71fed021974aee1918f6/5588961973.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe41330d8d---gejolar.pdfIn PDF document text
- http://119hero.kr/userData/board/file/kufutipibupepazuw.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bf1c653ed---25819944362.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/173429a1b90bf42b23759dc83b3306f4/40684060801.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E1 | 5044 bytes |
SHA-256: c5fd94a649c2b939a45a84c156d3f42ad0b1d0d50cbed7eff9832394411f578b |
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font_01_sfnt_off0000f519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF519 | 10656 bytes |
SHA-256: 54b440e4707390707c258eda1d56308c89d4be38d7aa7a00f24001813a858375 |
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