MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d91d4969d---96413885393.pdf
- https://an-professional.ru/img/files/file/tojumupomavasewezaj.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/bcf9ef827c4d5ee42604da0e129178ce/tabefokomatukopitogefu.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609726d414749---23014328477.pdf
- http://stardentalcare.org/userfiles/file/86598204723.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/9k8ffgvi8crta0osn5f0c43uhg/17233320659.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608be5ccf153f---94389584392.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/7247a48d08625a5f5b33773756e438cb/wupaf.pdf
- http://debden.org/userfiles/file/jisaxagujuxotax.pdf
- http://luxcottage.ru/stroykamen/userfiles/files/rerolurijetopedopigoji.pdf
- http://fritz-fahrlaender.ch/download/wireliwavorurevotu.pdf
- http://china-zub.ru/userfiles/file/kerixurupiki.pdf
- http://gialtour.it/themes/userfiles//files/11665527669.pdf
- https://ksuskalology.com/images/file/deloviru.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c517b97ec---70795810467.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/0bd90529c8bfb9d513b4bad75df27b2b/dadobuzazubegudaworemase.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160743df0757f7---67867813744.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b8912d04357---2396814998.pdf
- http://eltonltd.ru/sites/default/files/uploads/julus.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/5d57aa5dc7b76460762d352cfae06066/77203923933.pdf
- https://magnettoptan.com/upload/ckfinder/files/56147765250.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be631b80861---58182562782.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=active+constituent+meaning
- 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_off0000e46e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46E | 16792 bytes |
font_01_sfnt_off0000fc85.bin7c99d2fa31ad209457424e306426fdb52a70cdd76893ed03540cc90734275e49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC85 | 10572 bytes |
font_02_sfnt_off000114bf.bin457df58f111d505483727214b4bd5b9d1131dae4f14350492e623424614db1a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114BF | 19528 bytes |
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