MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to potentially malicious content. ClamAV and ML classifiers strongly flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple distinct hosts and the use of form-craft plugin uploads suggest an attempt to distribute or host malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b1ce79ba7---zunemo.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e909a7b85---ritofopilogajuvonifitumud.pdf
- http://richmediahouse.com/admin/uploads/file/76498028785.pdf
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/e3f4224585e75ab14bb2a2986ef25ba7/55369375381.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/alp8nfj8f7eef8q6b07n4g98bj/46977733568.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/650a4b0d7482e9e5e3e4e80167f96f18/mevewanodu.pdf
- http://odpadykj.cz/UserFiles/File/forelowajetolivigilipu.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609bae3aa473d---vixidi.pdf
- http://usaoxin.com/userfiles/2021-6/file/13368589688.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/e363bce7428cba83e491a994be3e6a76/goraxusu.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c1f96166d---8015455903.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/frvm52tjpg7l5iu20egos64f76/82199467631.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/okv4dfcdfjru77l5d2jqg4amr9/37897695325.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/dv6i3agkmtn6jadqjtbom7srte/9531391186.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb4ce708e7---28761770876.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5bd9c697a---77809161895.pdf
- http://ride.hu/images/uploads/files/xezinisavudumubakuwipe.pdf
- http://zeguvietnam.com/uploads/ckfinder/files/sabijaz.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/b4c32e0cb287d53b01d7c56021bd89e7/74154495530.pdf
- https://ahreco.com/uploads/news_file/19578785198.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/7b8e60bca5d6ac1014eb988cda98fb90/28765054138.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/i50ddik4kml3u4sq04616vgub3/58994543920.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0be695917---losakuxopusenum.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/f5f7d16a205480c03ef453665eb27637/73393245270.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=eve+online+factions+explained
- 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_off0000ea70.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA70 | 16792 bytes |
font_01_sfnt_off00010287.bin1c974123cbbc7ecbe6863f160aeb377d38aee1c8e197d9ed255319cdc649dfc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10287 | 10664 bytes |
font_02_sfnt_off00011b19.bin37d143a0f3a4bbb37bce28b491ab5bd97d166cada0ee4cc92963b01e2f8eab15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B19 | 17356 bytes |
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