MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of malware. The file contains numerous links to compromised WordPress sites, suggesting it is part of a link farm designed to distribute further malicious content. The presence of a visual download button lure further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080f8e150ecb---64380819146.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160788b60c34bf---kosekizipubitanaxuwabobi.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4da47b3222---tuzalefivizapu.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb80135e296---34536546767.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095998cee973---gulafotiduminifosebidi.pdf
- http://bulk-supplies.com/userfiles/file/2918723912.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/u1nv8i2lm80rhmdkk5l0194krg/29463521621.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/0c10ae1b016e2fc45ea408665320fd9e/55264213858.pdf
- https://zhansq.cn/upload/file/31781596915.pdf
- http://amphorabeautyclub.com/campannas/file/49371791093.pdf
- http://fittbike.hu/files/file/gizapijunezepaken.pdf
- http://fujiya-burbank.com/uploads/files/tebagegugikinutoweloro.pdf
- https://grup-insaat.com/userfiles/file/32441149033.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/abe0b18bfe38609ebba864b77dced732/30953876418.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/53fb579d988beb369a1d2857369017f6/xanopulaxe.pdf
- http://hasici-pristroje-eshop.cz/files/file/fosoxugitolefub.pdf
- http://studiogaleazzo.eu/userfiles/files/28049084591.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/f9adeb35a3fa239a90af5a6b0a6a1b73/28394485632.pdf
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/luwor.pdf
- https://www.profiemg.cz/upload/ck/files/49222227533.pdf
- http://booklandbooks.com/userfiles/file/wulujaxoxevajul.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/lur8b69r5iuda81s1banjdbks1/52623103488.pdf
- https://lienlacanien.com/img_pages/file/nonefabejaponogi.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/bfa6e414064b41ac2204994c0405a472/witamikavugiresitex.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=championship+manager+01%2F02+help
- 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_off0000f0b1.binb85919af38cdf8aef5ffc2026d5f64201360d0793eba1c2a4443ea55794c24fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B1 | 18016 bytes |
font_01_sfnt_off0001203d.binf3edf1f7a8eedb3db69e9369b996504bad20a1be0f379cad674195c2e0072a82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203D | 10960 bytes |
font_02_sfnt_off00013994.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13994 | 16792 bytes |
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