MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs that point to other PDF files hosted on compromised websites. The primary purpose appears to be directing users to potentially malicious content through a chain of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 http://bluebirdcanada.com/FileData/ckfinder/files/20210616_44B4FE6AF32342F0.pdf
- http://illinoislivestock.org/userfiles/file/34236152629.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/8a6sfttbhgb30u8qkq16j0etoa/87343112192.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/ce9fc716e84e7df9eecc8cf88bc8d0ed/4271992936.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/a60e321e2917d77fd81965751780aef0/jovexojupenowobubasil.pdf
- http://anthonyvienna.com/sites/default/files/file/papen.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/74116be5474b1cba008a43b0f1adb9f9/70198425452.pdf
- http://bogieclassof67.com/clients/71235/File/58177174186.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073531420af9---13572645541.pdf
- http://dlikefulproductions.com/clients/875850/File/78668334410.pdf
- http://damoorefamilyreunion.com/clients/7/71/71c8bb141a0941b69292984b9770a174/File/46730675722.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160dbd91fb35c0---taferusizijukavite.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1c986a93f---46006754699.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/c27d3cebfad7600087cfb0602af44ba9/zonexepizatipatofinuvexen.pdf
- http://alibabashipping.com/userfiles/file/84197371665.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/887351ca515e1e66a5dbac700707bc5b/59121353980.pdf
- http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/74588848762.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/vdabe96s83203c15ifr3il2ou7/javobiden.pdf
- https://morganmethod.com/ci/userfiles/files/nonone.pdf
- http://tragiaocolamsapa.com/userfiles/image/file/46942001195.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075463b9b71e---59496906669.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/e7e0c75fc01c4181a787913affb3d6a4/tabefewofexuverazinivakal.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e364cf9e---jepimakog.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/ab27c8b9746c7d45688e3c4e7d25f122/41018851386.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd9da612f6---25796001663.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091ca8c6cb2e---29959542450.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=file+discrimination+against+employer
- 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_off0000eb58.bin9b7ac90a2581cc245cedf81d0243221ca01b2b7eee378d4b5890b6a862eea384 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB58 | 10948 bytes |
font_01_sfnt_off0001047a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1047A | 16792 bytes |
font_02_sfnt_off00011c8c.bin684e420b752f06d901411cdbb84005345a2b0952c4da0bb971c957530d46f02a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C8C | 16484 bytes |
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