MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and a deceptive download button, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of multiple compromised CMS upload links points towards a link farm used for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://vannordenvastgoed.nl/userfiles/file/51665752439.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae3729889f---74389530461.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/516f679tfu37uu2ou83lmgdkk1/93839196751.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2441efb7f---soxawasalusegowetesibeb.pdf
- https://malashealthcare.com/userfiles/files/51370965300.pdf
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/11d1d12f2c5956e012bbe5f05b433ed9/mifavaselo.pdf
- https://brs.jo/userfiles/files/7405896690.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/355a3f3554ab55d369479f5a932a60f0/xefimidobujebazewatazed.pdf
- https://excore.hu/ckfinder/userfiles/files/fokurujetuvuvaxaresuva.pdf
- https://zagorjeadventureteam.hr/files/6900628470.pdf
- https://digireg.lu/upload/70517532632.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8882879ff---kafabedoferamef.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf637cf73a---47640693912.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f4029c2c159ec17bec448ae61ec6f0a7/42317377991.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608652d795783---3238424535.pdf
- http://daiichibus.vn/uploads/news_file/81534587455.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbf109b67e---60540323552.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078d3c38cf0c---gajosebutosikusezo.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/73d489435b31144964ffd3d41073af7b/8745016241.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb246e2838---fasinodog.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b51d46e0f---79418906276.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7b67907410---kaloserexazejowen.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf0ad0c6ab---rilatuwipaxoralikazudu.pdf
- http://the-bom.kr/upfile/files/26688092740.pdf
- http://morgancountyoh.com/userimages/77862029575.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b05a238e0b6---89480496516.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=download+souzasim+drag+race+mod+hack+apk+unlimited+money+1.6.4
- 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_off0000d7a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A6 | 16792 bytes |
font_01_sfnt_off0000efb8.bin853768d9bf2b693c4bd7970ededaa90440f8acea938c6770af9a4f1903881821 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB8 | 17444 bytes |
font_02_sfnt_off00011bfc.bindd3788c8f88123e78fd646c687aa03bf38081cfe2dc6b6aa0e484cf3bae272f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFC | 11776 bytes |
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