MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and contains numerous external URIs. Several heuristics indicate it functions as a link farm, directing users to potentially compromised websites or disposable hosting. The presence of embedded URLs and the nature of the heuristics suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://inwebjor.ru/uplcv?utm_term=fifty+shades+of+grey+2+movie+online PDF link annotation
- https://servauto.fr/img/user/file/zibamu.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/kanakunuteponasiwejex.pdfIn PDF document text
- http://cartopack.be/Images/file/72309421514.pdfIn PDF document text
- https://astefin.ro/ckfinder/userfiles/files/jareborovoku.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/nojekanesuk.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/75131909386.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/lupezawep.pdfIn PDF document text
- http://medeeatour.ro/mm/file/zipasisumaludod.pdfIn PDF document text
- http://pusancard.com/userData/board/file/12790332208.pdfIn PDF document text
- http://bjjiffy.com/upload/veruxekulinewidunizisomiz.pdfIn PDF document text
- https://emmaushuis.org/pages/8652683010.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343399b9a4d---78872835805.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/nenegujojusaleki.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/fesezaduweg.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/718ca5914e55d224da82334938411e57/mewuzu.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/zevujonuvetupebejizudaxum.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6830bd013---31448537503.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/gobumosaxabofowuxawu.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/88582490655.pdfIn PDF document text
- https://33mobility.net/uploads/files/84290570940.pdfIn PDF document text
- https://groupekineconcept.com/userfiles/file/48926960236.pdfIn PDF document text
- http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/90365202325.pdfIn 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://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_off0000b4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD05 | 16780 bytes |
SHA-256: 7fce5f203ba2c8440bdbedaf661276a5111c26e3afafe9e081d66c434582bcfb |
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font_02_sfnt_off0000f75a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75A | 11080 bytes |
SHA-256: 84ba3d8242ef6262ef8b091a7a02078b254046f108e22a0d101f1723f36505f6 |
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