MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, characteristic of a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct textual clues, but the heuristic firings strongly suggest a malicious intent to lure users through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://sbcnepal.com/images/file/27118885599.pdf In PDF document text
- http://greenhere.cn/upload/ckimg/files/202109160613513627.pdfIn PDF document text
- http://exteractif.fr/pictures/2/92214031895.pdfIn PDF document text
- http://cavusofis.com/images_upload/files/lonibaxupiduwumak.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/29699021186.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/lojetuwagedipig.pdfIn PDF document text
- http://haki.vn/uploads/files/buripapazutavoxugeduxoreb.pdfIn PDF document text
- http://obkladacstvikolar.com/content/gikifipativodo.pdfIn PDF document text
- http://kite-surf.sk/files/91348629400.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/labuzuwurokisukonagupimo.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1aae62374---71718184235.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/jipereditujadiwokona.pdfIn PDF document text
- http://adbuilder.at/ckfinder/userfiles/files/rikunikonobodomujo.pdfIn PDF document text
- http://eventclub.pl/userfiles/file/20814052100.pdfIn PDF document text
- http://epmresearch.org/userfiles/files/68206339329.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/merom.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/56d2b1491ad9d6c143d2993227c49a55/gelibajilek.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/vogusurakesopajasaxiw.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/80230864008.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145338ff11ab---2029640853.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/wafejumipigu.pdfIn PDF document text
- http://ozdermusavirlik.net/userfiles/file/5148967713.pdfIn PDF document text
- http://studioego.cz/userfiles/file/63436445562.pdfIn PDF document text
- http://freetds.net/userfiles/file/98518647010.pdfIn PDF document text
- http://glassick.com/userfiles/file/divukafege.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614233e3a9181---dawotowarina.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=thread+example+in+androidPDF 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_off0000befc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEFC | 19544 bytes |
SHA-256: a7f2965438c0dafe937681d51670796d3f4e27529d5490d58ffb475f5fe10601 |
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font_01_sfnt_off0000f261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF261 | 10456 bytes |
SHA-256: 05253232dc49139527730a8543cc1606e23b2cb778bf860cd9dc17c3107784ca |
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font_02_sfnt_off000109cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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