MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external websites, many of which appear to be compromised or disposable hosting, suggesting a link farm for phishing or malware distribution. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to bypass gateway security. While no scripts were directly extracted, the presence of embedded URLs and the overall structure point towards a malicious intent to trick users into downloading or accessing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://catamma.ru/uplcv?utm_term=happy+wheels+app+android
- http://dakdekkersindex.nl/images/uploads/56991712068.pdf
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/tibenu.pdf
- https://mysmartedu.com/uploadimages/files/zoresitoxurudipuxi.pdf
- http://klasykarozrywki.pl/public/images/fck/file/1238984638.pdf
- http://micdelhi.in/userfiles/file/rapegerenudaxi.pdf
- https://adtw1.elfjane.com/ckfinder/userfiles/files/zelemifikofedu.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16133fd6e5f84c---9882444845.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/7f57cd002e34a14144c5446c9b7365cc/titubadatiborifazomojiv.pdf
- http://thanuyentea.com/ckfinder/userfiles/files/genanupaxanurosow.pdf
- https://phucatgarment.com.vn/ckfinder/userfiles/files/jogaxenogemun.pdf
- https://biocenfis.es/uploads/assets/file/dapoberemominibugiwo.pdf
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/04086e59336c05abff578922331af6e8/sulenukile.pdf
- http://17njl.com/userfiles/files/40519972074.pdf
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/wisosuzunadulutemozamujof.pdf
- http://websurin.net/UserFiles/File/14338078233.pdf
- https://tonere.shop/app/webroot/files/userfiles/files/94748209218.pdf
- http://hoteldanang.vn/uploads/images/files/fizemu.pdf
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/87601441022.pdf
- http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/33121638385.pdf
- http://urdu-hadith.com/survey/userfiles/files/totagowesu.pdf
- http://campingwithconvenience.com/files/files/43358554992.pdf
- https://balbok.net/admin/ckfinder/userfiles/files/migejoluwurejiwuduzubel.pdf
- http://sk-uralstroy.ru/uploads/files/jimelonuwab.pdf
- http://wccflooring.com/userfiles/files/zobusepudiwed.pdf
- http://thedreams.cz/files/girurodikon.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_off0000eb8c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8C | 16792 bytes |
font_01_sfnt_off0001039e.bin564032a7090de4272c61a1f74b4d476e60f292c1498458b71e12ca2eaa215ca2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039E | 17636 bytes |
font_02_sfnt_off000130e9.bin0d1d2f9db685c04eb00c0995106d86ff45f597cd8a0f1807ccc8670f5293c087 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E9 | 10584 bytes |
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