MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS uploads, suggesting a link farm or phishing lure. The presence of a 'download button' heuristic further supports a deceptive user interaction. While no scripts were explicitly extracted, the ML classifier and ClamAV detection indicate malicious content, likely exploiting PDF vulnerabilities to execute a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://obermeyer-modemarkt.de/upload/file/pudazisug.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c783ecbe3e---tubebubirutawitiremoku.pdf
- http://vanharteyoga.nl/uploads/files/54164426109.pdf
- https://ahreco.com/uploads/news_file/20911000066.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16095aca343605---7550812427.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/4991953cf8d9602ae467a04e8b3701ce/zufadetotodixepakefibo.pdf
- http://df-foundry.net/d/files/22451637206.pdf
- http://wearefamilypalestine.com/clients/3/3b/3bc38fc23f9ffb54b20226cbd6ad6ce3/File/87556855016.pdf
- http://vienhung.com/webroot/img/files/76417828883.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8f0d207f3---sofinitejurexupinavelip.pdf
- http://sloplast.com/userfiles/files/22438122906.pdf
- http://escuelasfutbol8.com/docs/files/lolozameguzasiluwamivefe.pdf
- http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/komokifa.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988bd66c04a---ziwilawibepuwoda.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/dde66856c0e93a212eb6801f48e337b2/4535243519.pdf
- http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/32943699032.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/98de23ef1205859954ad4b400476ad0e/gazidufirekiw.pdf
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/707a1f00f33694fbe6ea4398cb38a067/56392414839.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072708da9690---pidajara.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3a891f53e---70830394265.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/6a7569cbf5d13291c82a549fe3d8fbc1/6855288927.pdf
- http://xn--9w3b11kh5l.com/ckupload/files/datogediwoluduw.pdf
- http://emeat.ru/var/files/sisatulusurinanid.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=important+formulas+of+physics+for+jee+mains
- 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_off0000d817.bin7a05d2765320f9ed75f402a177b98998c99183ac5180234926ffb4f06a86c146 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD817 | 17316 bytes |
font_01_sfnt_off0001050f.bin304e54cdeac96769ab8dbd022e81c926d7a6fa6a898f93650f7cb12df4beaada |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050F | 11040 bytes |
font_02_sfnt_off00011e89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E89 | 16792 bytes |
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