MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of external URIs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://krisoc.ru/uplcv?utm_term=how+to+stop+applications+running+in+background+android
- http://robalton.es/Albums/images/file///93003637509.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/8d11dc2e87b2e96d37bae5fcb7ff4dc1/geropatema.pdf
- http://partnercable.com/files/62633637927.pdf
- http://hamzalegalservices.com/userfiles/file/24606561168.pdf
- http://hnc2.com/userfiles/file/rizelisuwutebezile.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/260d1914a6d49973bf09e663b195c792/36561141358.pdf
- https://curtain.jinware.com/upload/files/37371002192.pdf
- http://belly.bpv.su/content/files/files/24211394691.pdf
- https://houstoncoinshow.org/FCKeditor/file/buloluwebapefupodowi.pdf
- https://le27.fr/docs/file/3900364103.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16143cdcdcefd6---revowemudagox.pdf
- http://aasghsflqsae.handylover.com/upload/files/negenobuzu.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/1a3f634fdff4065b53d7aceb409bf704/jafutibov.pdf
- http://megatex-plast.ru/pub/file/sifalajukuduranuv.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16144aa98b685a---fopewobataxileviwumigum.pdf
- http://obchodsezlatem.cz/upload/files/44472158445.pdf
- https://homecareangels.ca/files/files/files/57741477463.pdf
- https://repare-ton-smartphone.com/userfiles/file/sokejururefafe.pdf
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/38558460377.pdf
- http://huseyindurmuslar.com/images_upload/files/52028933650.pdf
- http://pure-chiral.com/upload/files/tuwidaperagonigotog.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6b288a2f1---xitanudelefejujubigekati.pdf
- http://kpghomerepairs.com/uploads/image/files/dotedawizinamexewek.pdf
- https://trieurodata.ro/images/file/vuworoxarofenevesafixis.pdf
- http://elskenecologie.nl/files/11042874969.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_off0000e149.bin31eb3c6fb21acee2b2661954111035b2b57d4ec89eef62de7fbfc60a1a714861 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE149 | 18004 bytes |
font_01_sfnt_off00011001.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11001 | 16792 bytes |
font_02_sfnt_off00012818.bin33b2c6ac198eabe4a71b6dc0c46105d6f5b9e01b25054f24c6e918831a4622d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12818 | 10964 bytes |
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