MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and a high-confidence ML classifier. It contains a large number of embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI links and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crewmak.ru/uplcv?utm_term=north+pole+without+ice
- http://nedirajtebosnu.net/userfiles/file/88871169342.pdf
- http://perles-del-beya.com/userfiles/file/funatazawubesepizonaja.pdf
- https://mn-lawfirm.com/box/userfiles/file/27718537278.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084422c92bf2---51796310823.pdf
- http://marinapogon.pl/upload/file/62088210082.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/hntu4a72nhm70naact875cmhea/buluriwo.pdf
- https://hzautomatisering.nl/userfiles/file/84591070158.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/609583d4a8ab8cca82919ab92da0533c/72410413751.pdf
- http://enidbtwcreunion.com/clients/5/52/52e94d62e82ff66504c7d921fc07bf70/File/53963609363.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/f6ebeea40eda157ebb3d36f2ed9ccb4e/kakedokebitiletuzene.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/8cbd5f39f5100aebd49669b1acac3f18/22746659853.pdf
- http://cdmatik.com/uploads/file/8405893680.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/3b6d411a161ca1ad683d42f04a78b275/dugapipuwezo.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4675b6bbc---gamuvoz.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add23f4aaaf---jesamofu.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c98b5a35a12---14327777211.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/4c28c3d3188b53280e232b79488ecf25/36967290960.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ed5566dcd---8693698242.pdf
- http://polyalpan.hu/_user/file/fexalojizoperipatip.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/a5f8d24e5dd4db8b653c21da0aca572c/31905948112.pdf
- http://www.firengo.com/userfiles/files/punifiderabewawefa.pdf
- https://hzautomatisering.nl/userfiles/file/82370086557.pdf
- 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_off00013767.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13767 | 16792 bytes |
font_01_sfnt_off00014f7e.bin5a81d5a63212453364f031fe268d739c769536ef7391bf6a990ff2ac540d03ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F7E | 10200 bytes |
font_02_sfnt_off00016687.bin36c7f7b3ef8d950f0d729fc7d0bf82b2346e48b3091fab4e7e7de91b004df562 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16687 | 17044 bytes |
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