MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate a phishing or SEO manipulation attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://hanstime.com/userData/board/file/14065177206.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610903d062d21---62907838921.pdf
- http://skyline1968.com/clients/74864/File/36604889293.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/43a2e1caa5a3718e13b21d38fd45bae0/11613410100.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/5e16713d84e75b50268ff90e7d6ee387/62466217483.pdf
- http://oryginalnedekoracje.pl/userfiles/file/refevi.pdf
- https://sonarmusic.hu/up_image/file/58703155156.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/famvcb3ng55esfqu74nuu5r6d3/fuwivitujabadimazoxole.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/62cd79a11ed681988d376a22ed435562/siwitupozewefobaliga.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1613565a8a97a6---90756522857.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/m2rreadeqmppkgt4ogen0rchgq/24793966376.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee4178157e---mosegaxab.pdf
- https://comfort8889.com/upload/files/93666079431.pdf
- http://jingchengs.com/jingchengs/ckfinder/files/20210628092610.pdf
- http://lideparts.com/userfiles/file/1625167224.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/51587a7033c69131463c8ff20ac4db42/95743154400.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/5807bded68cbcac7595e7cdc4784ee2b/34817832141.pdf
- http://hindel-relax.ch/ckfinder/userfiles/files/zotulupejodewu.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/uegijcm3offh1j79v6qau8qvet/kosemerulu.pdf
- http://whsclass1968.com/clients/f/f8/f849445bb2fb8f42e7c863050dc1ba38/File/pixafikunetebomanugaker.pdf
- http://chikatere.com/Upload/files/serevivo.pdf
- https://justbuymeds.net/userfiles/file/tixufifejewubapuxubesirup.pdf
- http://mmckno2010.zkosuchdol.info/files/31842831739.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608262c78ac38---mosewalale.pdf
- http://kartywspomnien.pl/uploads/assets/file/kolimurimugedamixisijafi.pdf
- http://chaukitchen.com/uploads/files/gadifisotoxawazibudev.pdf
- http://taxilitomerice.cz/ckfinder/userfiles/files/52542711460.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=muscle+and+fitness+october+2018+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_off0000ee45.binfb25cfef6580bddfebb1a8211c6fedcbba470ee6a1516ca4604b766e5de3b014 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE45 | 11348 bytes |
font_01_sfnt_off000108f3.bin0e6480f2e5edc34f3b8f9ed210b411d468ea9883e7769c9828ae5e5b1e8578ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F3 | 19212 bytes |
font_02_sfnt_off00013b5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B5E | 16792 bytes |
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