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 payload. It contains a link farm pointing to multiple compromised or disposable hosting sites, suggesting an attempt to distribute malicious content or phish for credentials. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://specializedfacilitymgt.com/public_html/userfiles/file/67562497473.pdf In PDF document text
- http://agarimo.com/archivos/archivos/40342224588.pdfIn PDF document text
- https://alpasol.e-giant.net/upload/files/mukiwo.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac79668731---25938779672.pdfIn PDF document text
- http://opusbiz.kr/data/editor/file/1905239973613cc2808d214.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/2924253f67b8b82d1a17fd79b8f99c12/zegidowexufajutijipo.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/9627391493.pdfIn PDF document text
- http://mariekevanvlierden.nl/survey/userfiles/files/87201081165.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/gibebevoretixewulaguzu.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/14839462432.pdfIn PDF document text
- http://chinajessie.com/seadata/data/uploads/img/file/163114872791.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613247853de8f---86756890540.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/74126226343.pdfIn PDF document text
- http://beiks.info/public/file/85115197580.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/2gnvd47a6kdojvpgmgp2nfsa99/87760869516.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/lijunu.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/9819519359.pdfIn PDF document text
- http://bakersfield.thepokeluau.com/uploads/files/nofoxomukakeguput.pdfIn PDF document text
- http://marchmont.ru/imgs/file/14608266874.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/77802119138.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161411c90e5580---88458299511.pdfIn PDF document text
- http://udokutscher.de/gfx/userfiles/files/99588493158.pdfIn PDF document text
- http://nenorm.com/files/files/89462409231.pdfIn PDF document text
- http://chicopharm.com/upload/files/xabofurekadigiraxufit.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/8c2a9fdddafc1a6795249aa9a6edc075/375263562.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=winning+eleven+2012+download+appPDF 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_off0000db2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2D | 18764 bytes |
SHA-256: 4718712f38737ae5cb5756d20304f54e5cec260c0dce01d4abe0e417ccfec110 |
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font_01_sfnt_off00010bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BBE | 10640 bytes |
SHA-256: 06fa26335c24458523f8b773066c079b39b13f22df6217ce8f30660edc6c830b |
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font_02_sfnt_off0001240c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1240C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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