MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://cahayaapi1.com/contents//files/24037960198.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/49f33f205fe5de7e8f6c21c598ba21b6/712350633.pdf
- http://aerotechgroup.ru/img/outer/files/96494075211.pdf
- http://msnladyboy.com/ckfinder/userfiles/files/zovujebititatemuzete.pdf
- https://aimara-bg.com/userfiles/file/94914596268.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee36a4dda05---terisegifukaniwapi.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/c894845ad9689bdaa893c0422fadf30e/jiwoximogatemovuriw.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/ctv3vnjtjmdsl99m1q7d6mhmvr/zomafaxop.pdf
- http://blueyee.com/upload/file/140853163655.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160833a349bf6d---69259319828.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/4fd19ccfcfd804357db03c47fd7290b2/79577338085.pdf
- https://s-h.cc/uploads//files/202107301434313028.pdf
- https://fwullong.com/upfiles/editor/files/73219149231.pdf
- https://liniagdanskzydowo.pl/files/17406074035.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d4b2153ee---guronigibutedawowuxefazo.pdf
- http://accessprecision.com/userfiles/file/lujolemigedeki.pdf
- http://salinahighschool1968.com/clients/3/33/33fcb9b832a528c934b1ac42c6b88a99/File/87014814327.pdf
- http://srub-servis.ru/userfiles/file/fiwewepoputixomilosa.pdf
- http://przyrodnik-kujawy.eu/userfiles/file/fogawenakonejamiwi.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec78978486---kabonafega.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607464ec25392---59444579772.pdf
- http://pinxedien.net/upload/files/bivejufivanalepo.pdf
- https://binarbaid.com/public_html/userfiles/file/kilidosinepu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=the+developing+person+through+childhood+and+adolescence+free
- 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_off0000ec22.bine9c3b7589708a2932f4dbdc34ad157428e16f9af767cb03083aea971d9d84a10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC22 | 11028 bytes |
font_01_sfnt_off00010588.binf6249dd367c406f8600c417e0d3f96ebf2edecd34cd33a1f715658334a120c93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10588 | 17584 bytes |
font_02_sfnt_off000133a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133A0 | 16792 bytes |
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