MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links pointing to compromised WordPress sites, identified as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery. The document body, though heavily obfuscated, contains a URL that aligns with the heuristic findings of a compromised upload path.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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) documents that carry no urgency or charge/dispute escalation.
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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://laborke.ru/uplcv?utm_term=can+i+apply+for+sc+food+stamps+online PDF link annotation
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16083099f8fd0b---37572346867.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/434cf33225cc109610f2f2d1043482c1/24737332805.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8064c00200---6732180182.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607d234707593---besorijisedagazip.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160725de0e62f9---tetawekimugolalisavit.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/usdegr1s7ng3tihgje7utega17/wowejomawozu.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb7ac54b73---bebegibapavisowot.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2f2af04dca4d5ef49b418a6c912fd201/zoxonosagowuno.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/rh25mdilv4q313asrp69tamr1s/suzekunarogot.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/64iq2goaiuh4u1gdss7q232ob6/gokolakepov.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/76906473874.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/7db1p4mv6so3b5rjti8c3jfnh6/saxinoxulixukejat.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/46260616718.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_off0000cf7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF7B | 5308 bytes |
SHA-256: 30bd5be31f380a0d8badf22cd9f8968b7829eec8402a7b9e2e79e80c399a7c44 |
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font_01_sfnt_off0000e17e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17E | 10188 bytes |
SHA-256: df4a73ba452fabd87456b920056ee5c599b9b3df3ac3daeea7ec64d4c9404e56 |
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