MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as a link farm, directing users to numerous external URLs hosted on compromised CMS uploads and disposable domains. The ML classifier and ClamAV also identified it as malicious, likely a phishing or malware distribution lure. Although no scripts were explicitly extracted, the nature of the link farm suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/78e8295d1e7b50c5352147e853f3ed3d/turuwixaxejurozojizuwuve.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715549f0004---31531381427.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099895118c80---92348583998.pdf
- http://ahcxdq.com/uploads/file/20095142694.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ff2a4cc14---vatoxukepij.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b420592d314---sirimobitupe.pdf
- https://tavio.ru/files/file/75033784928.pdf
- http://habitat3.eu/userfiles/files/75677221793.pdf
- http://www.anieliasfx.com/uploads/textareas/file/47738412084.pdf
- https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608265bed824a---zugimepafegolo.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16077330e61361---16103472838.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d545316ab0---kinesuvarevutemagaboru.pdf
- https://annjulieskarpmo.com/userfiles/file/2830905754.pdf
- http://www.centralperdana.com/file/buxure.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073f0a1b02db---tudegekariwoponuwomow.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aecc3140d8eb28fd3f89c798483a6957/zekiboginusem.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/eaac17b5de88b296fcc51a18c84eb1ed/99979805692.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/2fdc94858042597e921a143d092e3c8f/tasoxiwijixoximabudijago.pdf
- http://moon-villa123.com/CKEdit/upload/files/wewadato.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=rabindranath+tagore+love+poems+in+bengali
- 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_off0000df33.bind3f98b22612c9c3623c6d2928f2aed84a974810803970bfad4c040502f001235 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF33 | 11088 bytes |
font_01_sfnt_off0000f872.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF872 | 16792 bytes |
font_02_sfnt_off00011084.bin6ed1c6df734509c7e3829170920e84052ea0a01d0f1fe8bd03b3d9060049390c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11084 | 17252 bytes |
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