MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous links to external PDFs hosted on compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' lure and instructions for a password-protected archive further support a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://ttccid.com/userfiles/files/zaxomibarosavavor.pdf
- https://olympicwroclaw.pl/zdjecia/fck/file/66365745432.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/86639f405a8199905f8eb4ad04299bb8/xetinozopuganep.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da2b711eaa6---nixesiwavinen.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1556a47f0---fuzuroniziratonox.pdf
- http://guides2alpes.org/uploads/file/47758720540.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/873991e0fe89efcbd4250ddb0c248d78/savaxipukaneraregimafa.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/8486ff7841ff31f9d566caae0b7adbc6/tewin.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/b5be27fc4bfaa7f5a7c32b05932e1529/zazanuduxizov.pdf
- http://ixtvs.de/_upload_bilder/_filemanager/file/kolazatepokik.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/v6im5b6d83m5pmmmo69re1fsk4/11848157027.pdf
- https://humicdp.com/uploads/2021-06-17/images/files/mujafuxoxevojipazajoxotat.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ba5b7c0bc---25595880042.pdf
- http://dlevitin.ru/fck_editor_files/files/wifojurawunisesura.pdf
- http://classicalgardenornaments.com/uplds/file/vetatilatuvuna.pdf
- http://xn--oy2b9bv81anouola.com/upload/file/202107131225471186.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/f086638252f2977b87b4e57570027232/sideraxuwivuriwusudur.pdf
- http://allasclub.com/campannas/file/vamipulesazavomoze.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1609a83f715799---zokererewisixez.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/2bdprbcb2rac8b88rd5t3ighb0/71804334927.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3c0037a28---59955929564.pdf
- http://ottotech.center/userfiles/file/lokoxumajizogopo.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef4d377edc---41807663088.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=download+prince+of+persia+shadow+and+flame
- 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_off00010940.bin04bd832df4b39f315895334fc6a55bc415d4397949501f2d03ef393cda129b0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10940 | 10876 bytes |
font_01_sfnt_off00012231.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12231 | 16792 bytes |
font_02_sfnt_off00013a43.bin10d5a47d57e06a5c06b7965408ecab8344c1ccf461be1542004523b1998497ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A43 | 18416 bytes |
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