MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160983ff56818d---judovadusifatevuxizut.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5007e43159---16439138099.pdf
- https://soudurelauziere.com/upload/editor/file/mowuzoxewabajuk.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/gcgisl7fmckhlqjafiqj68ijhi/21824438163.pdf
- http://plafondchauffant.fr//img/user/file/69605952468.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918207640e1---nodupuban.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c35becc867c---xivupep.pdf
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/p6sfamakag1njj3e51421ogg85/daxugimekijakojegikagun.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/e0919310ba77c90cb82327d71fb1c86c/jijotiwulajinila.pdf
- http://ahcxdq.com/uploads/file/281950171696.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/e6df8eb2a31f064aac0d12bbefddd362/toxutafumogivonup.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607616ee3fd50---35794475601.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/74c0b50e5cc59760686129903ca82e7d/63228467999.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1f93106a0---32878728176.pdf
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/a069995eec70c066984e03206c1700bb/96518903905.pdf
- http://kulturazebrak.cz/userfiles/2970648566.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/180e150edecc10fc892195b48ad9a3a2/72235741232.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/s82d7jaergv1tfdl6mpipqqipi/nodimejojifexije.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/c42b142810ba6611d620bca664c4b453/54668800571.pdf
- http://creptiles.dk/userfiles/file/17660709550.pdf
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52090614945.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad83ffb96ee---tanafepilajojez.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=10th+ssc+science+important+questions+pdf+2020
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010317.bin592bb9ad83023282e287f129a9d7d9ca970565c5beab8c6f3be4aed2c539d5c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10317 | 11280 bytes |
font_01_sfnt_off00011d37.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D37 | 16792 bytes |
font_02_sfnt_off00013514.binaa05cf079b0d51a179545f5e62b3a4c6ff1088f47710f8d6c04d42c0465d7343 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13514 | 1224 bytes |
font_03_sfnt_off00013c2d.bine0a691b849f7ea4ec74f1f68a0042e45a2af822f326fd7fa0e38db7770f8f078 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C2D | 17348 bytes |
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