MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to host malicious payloads or phishing content. The heuristic firings indicate a high likelihood of malicious intent, with ClamAV specifically identifying it as a phishing trojan. Although no scripts were extracted, the structure and URLs suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://laborke.ru/uplcv?utm_term=powerdirector+4k+apk PDF link annotation
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c5ac5558b---zudotosunu.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/fb529754f75443652dda52d2bf395d28/zuliwomerenevon.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/9656494474.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/96904999725.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/191073130be34e50ac8a23d63ad439fc/87371474928.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/b8eeb818209901b1527cf3840c5deb1a/84155372397.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/2774737793.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e49e9adf27---pikusojesosixakavimijak.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/pd2hpftv0b691kfi4nc428d9m3/jiwekurufowupejulodusis.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16071df7e201df---fidujefabuxezojom.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7ea2b957e---92745637238.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/a7ibg5h8brr7j0pvgco17al4o5/2801272672.pdfIn PDF document text
- http://marinapogon.pl/upload/file/bofoxenamozumitid.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee1f2c9671---kanosojejidumodase.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/89749607515.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_off0000e12f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12F | 5104 bytes |
SHA-256: 71b8e74560542fee7db5d92658a9d704df08fa92e31791837377cc5f2bc3227c |
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font_01_sfnt_off0000f2b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B8 | 11472 bytes |
SHA-256: c47f7609050505119e337eb47cccbe02eba8818e3679909506e71ab7f563a279 |
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