MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to other PDF files hosted on potentially compromised or disposable domains. The heuristic 'SE_CALLBACK_LURE' suggests a phishing or tech-support scam context, aiming to trick users into interacting with malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://hotspot-usa.com/js/upload/files/xepewajipogabanita.pdf
- https://mrpressconsulting.com/UserFiles/file/milodonoboxulugiwejuze.pdf
- https://promtour-rural.ro/userfiles/file/wiwojisewup.pdf
- http://surveycook.com/upload/tmp/202109/file/wumufuniwubosuna.pdf
- http://www.pattyn360.com/upload/forum/files/78409329183.pdf
- http://hydrem.ru/images/file/nolatuwolijewanisolu.pdf
- http://alda.pl/ckfinder/userfiles/files/94100207673.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac07b68131---dajivifoguleziman.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16142d86b1e96f---65565403586.pdf
- http://www.cemeba.com/uploads/ckfinder/files/30222410588.pdf
- http://kftchem.com/upload/files/59676464182.pdf
- https://www.truck-transport.com/ckfinder/userfiles/files/41706831293.pdf
- http://fusen-es.info/yamituki-n/uploads/files/50272364947.pdf
- http://nocleginaplus.pl/uploads/userfiles/files/76407552472.pdf
- http://giaodantanthaison.com/Images_upload/files/43034276458.pdf
- http://rewitex.pl/userfiles/file/97787101215.pdf
- http://321eastern-thailand.com/userfiles/files/joxogobev.pdf
- https://dolmalatrek.com/userfiles/file/84235142153.pdf
- https://sharjahcements.com/images/bulk_images/files/72824777445.pdf
- https://bczenekar.hu/files/file/paxerelenepivurenuz.pdf
- https://tcremich.lu/files/files/67594135728.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/01eb9f623730e6f3d0a660c9f4e4ce31/20968319334.pdf
- https://extremedriveline.com/ckfinder/userfiles/files/vijesedidazigop.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=my+farm+town+village+life+mod+apk+unlimited+money
- 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_off0000d833.bin1ceedae1d26a4e3f40db1cc78984538350974f106cffce0d11aff25f4e0b2098 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD833 | 17252 bytes |
font_01_sfnt_off00010513.bincedbd644abe8ba5449080f0a8272d1b1250a019e80b72352e5dd168a76dc5b28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10513 | 11124 bytes |
font_02_sfnt_off00011ee3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE3 | 16792 bytes |
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