MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm containing numerous URLs pointing to compromised or disposable hosting, suggesting a phishing or malware distribution campaign. Although no scripts were extracted, the structure and URL patterns are indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6e1ee01d5db1dee4ff2f17965b505629/somuzexamu.pdf In PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2e75709c5---tisotigevirovig.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076970e62b8d---39116708481.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/jevaw.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b91838a09aa---60857367713.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/31219416376.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/sewitolariputuribi.pdfIn PDF document text
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/34706530875.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6195b042d---wowetewem.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/5faf3f1bf3a83e621952c7371ff2447a/59200777388.pdfIn PDF document text
- http://wphs67.com/clients/9/95/95f8299e8098c1f2c85aab0f7ead5e97/File/91689459507.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/2a5559ce79924d0a32ea83dfe51eb0e5/kelepu.pdfIn PDF document text
- http://pressvaluation.net/userfiles/file/zedaxididuririgozakifa.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b0d77c131---zinuwedizofopi.pdfIn PDF document text
- https://aaaxxion.info/images/file/29178417385.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/f7d5b986fb9d1860f989609aec275ac2/verixizobaxubusijegib.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///jizefinodujuzuzirosale.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/ctpe5q5sj5uib41iuu7tfblnem/72343777336.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/e8454328413deec61796ba761ec79b1c/lilexaderukemewufivezofij.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160983c86c84b9---97573339699.pdfIn PDF document text
- http://lucann.com/Upload/file/jopojupu.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160da9fdd99ff3---xekomibuketi.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/75880262004.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/3e7ffef7b2782fcaa5efb17ea295e9c3/51940617660.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=william+barr+todayPDF 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_off0000ed5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5A | 16780 bytes |
SHA-256: 2d391802a35c0e1d85a8c398e301dd14c78ae0c4b42e21fc36f0a7745635a5b7 |
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font_01_sfnt_off0001195a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195A | 10252 bytes |
SHA-256: e7470edeb293bad7035a9700b60f4e5155fe33553306c54e42dfe0ac6aa71077 |
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font_02_sfnt_off0001305c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1305C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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