MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories, likely serving as a distribution point for further malicious content. The presence of these links and the overall structure suggest an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/6890d8076c2e203cf5f6bd5c99588b26/89888224186.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bce5ad2263---61279683032.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e4cf8db5a---76670902736.pdf
- https://beautyreviveshop.com/newerac2c/userfiles/file/7882060131.pdf
- http://learnersdigest.org/userfiles/file/vufosoxafolupesoz.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d24887d705---13237936995.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/7illeq9ga3bh991jalikbho826/55970796433.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc1934d25f---zisowusipunuxofewoze.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd8f1d3c4c---mejozidesasenemufefuzaso.pdf
- http://www.anclupnapoli.it/userfiles/file/65542047424.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d438acab28---vexagipovixases.pdf
- http://bodegaadrover.com/userfiles//imagenes/26834660706.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/9bcmpbjtf559lic2b4go3uaiit/fanajexiko.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2d03f08dc---71640489032.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16076b3889714b---temawop.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077640377576---buvukojogimeponifominiri.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/69ba839b64cf6cb662535da753ae4f8e/walasofubufudaf.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9e4f705e7---zarudipegewodarujidafumik.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=the+hero+by+rabindranath+tagore+question+and+answer
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e80a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80A | 16792 bytes |
font_01_sfnt_off0001001b.binbfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001B | 16252 bytes |
font_02_sfnt_off000115fc.bin52fdb2e441aa476178b5d453fc730e596fe9787923ba7e2bc62cd5920cbbf3a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115FC | 11028 bytes |
font_03_sfnt_off00012f23.bina0c6952805e7fe87991c550cdfd8187369822523e4afd4c071f563977cc59323 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F23 | 17860 bytes |
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