MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm utilizing compromised CMS uploads and disposable hosting, suggesting a phishing or redirection scheme. The embedded URLs point to various domains, many of which are associated with compromised WordPress installations, further supporting the malicious nature of the document.
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://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/4se3p5ld3pdobo9p2vpjc03j1h/44046296908.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832e27bc944---41776349397.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c25a8598ebb---71321660010.pdf
- http://ever0036.com/assets/uploads/ckedit/files/20210528093641.pdf
- http://nutronicltd.com/userfiles/file/11816950386.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098e304dd1f7---siwixaber.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806162684ce---xerazeforemafux.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a03906ef45d---nizoditiforumesosalivawi.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608d438ac1a7b---jupikadenus.pdf
- http://ehsclassof64.com/clients/b/bf/bfa5c4411462ceee4a19e543862d902c/File/99334449500.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/3096985a5ff2210ae050d1334e71a283/puxilelofi.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160848591188f1---47003080732.pdf
- http://masonfamilyreunion.org/clients/b/bd/bdaf0a3c19eb5f10f0519c747c117e37/File/wiborebijefatoxe.pdf
- https://fanaf.comarticle_ressources/file/gimobutesevowe.pdf
- http://anbao.vn/uploads/userfiles/file/12615389208.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160790a5841b9e---sokijulaf.pdf
- http://sashtraayurveda.com/ckfinder/userfiles/files/50823511392.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/blloaecq669talj7duhmct5ns0/87977286348.pdf
- https://efnnma.org/files/file/zuxigo.pdf
- http://www.chubsorn.com/file/files/66983255984.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ada0f8ac3b6---92069818215.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16091d3356f664---kesado.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=factor+tree+of+150
- 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_off0000e605.bindd8cece644f1f7f37132ff98087d2f67b50e68d9cc83f905270e6ccf0fc9e36a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE605 | 10204 bytes |
font_01_sfnt_off0000fd24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD24 | 16792 bytes |
font_02_sfnt_off00011536.bin6ff81fae4a3bd621dd7fbf8cbb55b3e952d9d0bcf9ff58304bc0d96b107c54c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11536 | 17484 bytes |
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