MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this behavior. The ML classifier and ClamAV detection further confirm its malicious nature, likely exploiting PDF vulnerabilities to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://lagrupacio.cat/file/puxadovetogodarod.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd7515f170---zexozuruzipivanoxevelexum.pdf
- https://hazeloyun.com/calisma2/files/uploads/bemidid.pdf
- https://euro-m.si/web/dokumenti/file/kubuzudatepikubu.pdf
- https://zagi.hr/files/fugoxebup.pdf
- http://moderncarrent.com/user_img/files/lebetokesabibukowebifemit.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3acacf0a6---kixurofimajufejepur.pdf
- https://legyenegyjonapod.hu/userfiles/files/63970263718.pdf
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/45814343201.pdf
- http://aotwcasino.com/ckfinder/userfiles/files/10195985266.pdf
- http://lab4050.com/upload/editor/file/76211121144.pdf
- http://mg001.cn/upload_fck/file/2021-9-3/20210903142606386920.pdf
- http://topbondtape.com/uploadss/file/90414359139.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/e580215e5a6fcd73bc0b2c1cdc507f16/89060874911.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138132098fa3---tupapef.pdf
- https://kolkataangikar.org/ckfinder/userfiles/files/miwatiromojudifanedonerip.pdf
- http://cobmedia.hu/include/83571118675.pdf
- https://beauty-full.ru/uploads/files/vagisazaxarulilanodip.pdf
- http://sunrui-ti.com/d/files/92424708731.pdf
- http://www.gdchgs.com/admin/img/files/bebexufikijugasatawosop.pdf
- https://afayl.com/userfiles/file/18800955098.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3dad49eae---17571276394.pdf
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33623581250.pdf
- http://ozdoby-betonowe21.pl/Upload/file/foxasomidatuwex.pdf
- http://paramountswimwear.com/userfiles/files/9559264184.pdf
- https://bevillelecomte.ovh/ckfinder/userfiles/files/wokiwaseja.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=android+development+companies+in+indore
- 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_off0000f285.binf2e436484a66eec9bfd5b3337ce9cc01c88ea10140a0d64cad9e25612bd37508 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF285 | 18208 bytes |
font_01_sfnt_off000121d6.binb6c7c6a1f9826b4b097c7f4d57c912ca1b71c3b43803ca72cc7636b703bb5e53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D6 | 10720 bytes |
font_02_sfnt_off00013a73.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A73 | 16792 bytes |
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