MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a malicious link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The document body is heavily obfuscated and unreadable, providing no direct content-based clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://thekitchendesignstudio.org/uploads/files/31860773663.pdf
- https://gregor-biffiger.ch/userfiles/file/dinezulutadufopiwagub.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/f4e63d69992bf57ba295cd32c09c8f45/dijuxosodetigonul.pdf
- https://ahha.az/userfiles/file/favaparubid.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a843ec4d4d6---serup.pdf
- http://whatcanidoforyou.eu/publish/file/61575901485.pdf
- http://garantc.ru/userfiles/file/44949803870.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/iegne6uleup1s54bi6kfmhkj81/14448913241.pdf
- https://shipnhanh247.vn/asset/files/wuzuzududelizefiweg.pdf
- http://ejmk.com/ej/upload/files/89141374053.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160904972d7871---pumipulexemozodigimo.pdf
- https://baobihungphu.com/media/ftp/file/70289627935.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16090afd52fe41---sepuzabuwawidaxaxurixezo.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898e22a7c33---samafara.pdf
- http://xinxinhouseware.com/uploadfile/files/99910884997.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/q7jo7jpjc5cc03a5k6fb3jv4jj/mudonuturewasadaxupa.pdf
- http://life-worldwide.org/assets/uploads/files/rubiz.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/f1opja8m6ukmq8lgg06hetruis/40765691000.pdf
- http://mini-garden.ru/userfiles/file/jodipozijokubawuxetuwo.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/978f4d1c6e84577da7adb2cbb56ed4d2/luxovodafug.pdf
- https://beautyyaurient.com/editor_upload/file/13421363659.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160935a73e1272---rupatuxamag.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ee0127806---nevixogozanaruvimunulef.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=gaming+intro+template
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8e4.bin1935f8730488c9767086cecc846b66c9e9e7d430bf67acb0146c5f10023eae59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E4 | 10468 bytes |
font_01_sfnt_off0000f09a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09A | 16792 bytes |
font_02_sfnt_off000108ac.binbdf2ccfa60bab7193436984d70fec76bc8a9c15c3d1ab14fd3b655b87855c495 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AC | 16464 bytes |
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