MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised or disposable domains, likely intended to lure users into phishing sites or download further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using such domains for link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/50d9350a892c05d3b34bb0de58b4f8e6/12193653674.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/o55466al42l4k8i2fs8uvv6h02/lukedaxufiratubi.pdf
- http://jrmhandling.nl/upload/file/34234778462.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/ed0817006d3df6eeb878dc6b50428c22/popopapuwamudowuzanazu.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/qovlc3vdol372t31q0fs32h9mc/77975042192.pdf
- https://mszukam.pl/dat//file/42134403920.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1cd77ca8b---kejabirigugakufoturinom.pdf
- http://asea-admin.com/_userfiles/file/20210508151022.pdf
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/vt0tqijuasfbhtfr9brm09673u/wagibo.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160759c9ee8cb2---12500556023.pdf
- https://orangerun.re/photo/files/waviwiravapazoremiwigis.pdf
- https://stopserv.ru/files/file/65506470663.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160a73d324edbc---4251818292.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/bhsfamjhrs0qrd2q2un0hilcr9/77531922428.pdf
- http://jullien38.com/ressource/site-image/files/musuwabefo.pdf
- https://x-software.cz/data/file/nurexijimusirikewukoje.pdf
- http://alhouti.com/userfiles/file/zejavagaranijopifewefu.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8c0fad326---xotukaxukagirevixozalolox.pdf
- http://novussiteyonetimi.com/uploads/file/20545356939.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/e3f0d5dfb1ba6b9957394e327d4ff374/71117233868.pdf
- https://vibangthuaphatlai.net/uploads/files/66567559107.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c20c1c52a8f---74928566329.pdf
- http://rydelko.pl/userfiles/file/roxivizeva.pdf
- http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/rononenokej.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=fear+of+failure+psychology
- 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_off0000f474.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF474 | 16792 bytes |
font_01_sfnt_off00010c8b.bina18067126676704e43b2f84e0cfc1fb46d030d63e1103b71d3ecb4d28da97cbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8B | 10748 bytes |
font_02_sfnt_off00012564.bin3564d1568bf48d28820dc489eae8e9ca11dfbeb6fe87d735e5d5566d4c2c175f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12564 | 17004 bytes |
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