MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF identified as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.Trojan. Heuristic analysis indicates it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve as lures for phishing attacks or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/64b362740ac5aa578266706445d3a532/12791413974.pdf In PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/83f750380d298bd208e01e0af1172627/pixexosokadewuro.pdfIn PDF document text
- https://alrukn.co/userfiles/files/27447597384.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/sesepug.pdfIn PDF document text
- http://didopack.com/files/rifuwe.pdfIn PDF document text
- http://tfforming.ru/d/files/befif.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/99113547740.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/92782198442.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/5c230c4199937c2eff460af23d4381f5/sexifoneduzivovutolesupaz.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/5l9e4urv2resdeaqm5mqo98ls3/limamowed.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16087aac0b3f0d---21919255692.pdfIn PDF document text
- http://htwy.com/upload/file/86427026457.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160856bdb50221---dutedarupe.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/25461771128.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/futoxid.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/8291a2eb93f8911a0ccab916b9bbd5a0/vuzenukominazezeni.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d18c26cf9---lewutuwipilometik.pdfIn PDF document text
- http://udemadriatic.com/userfiles/files/60526654495.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/ca24b0248eb2db39ed9e3b77bd69f1b9/76461965494.pdfIn PDF document text
- http://nabisori.com/userfiles/file/35902630726.pdfIn PDF document text
- http://adbuffalony.com/uploads/files/fokuwukoluxadilijugu.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/20106523098.pdfIn PDF document text
- http://ahlhy.com/uploads/file/030904294558.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c75872f40f---taropunajeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=rf+value+calculation+examplePDF 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_off00011819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11819 | 17376 bytes |
SHA-256: 35cd4f128d3ef0f7dd3b78964ee71f73dffb9455f5b90290a77b9d087d4e7d84 |
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font_01_sfnt_off00014573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015d8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D8A | 10684 bytes |
SHA-256: 6c5b4ffe6c2a672c09083f28856706236f341ab3bbaf2e0597c483d1d44396a1 |
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