MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. These URLs are likely used for phishing or to serve further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://philabc.ru/uplcv?utm_term=peers+program+manual
- https://www.alapan.org/fckimages/file/26246970751.pdf
- http://azseal.net/uploads/userfiles/file/migowo.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab4e0225c5---5408318738.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/3c39af661769cafb9efa667ae7263bf0/bukozepixet.pdf
- https://samowar.me/userfiles/files/zukixewoderozexavanuxavin.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0ac6e7dbfcecccba854e961560b9eb1/37802682541.pdf
- https://systematix.pl/userfiles/file/3325738731.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160edf3cb85811---54835340709.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f87d7ca4e9---xavage.pdf
- https://ideylia.fr/uploads/file/vegigij.pdf
- http://universalgroupautos.com/files/others/90417817232.pdf
- http://signauction.net/userfiles/file/38571649213.pdf
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tilomadufirevewa.pdf
- https://skyzoan.com/cake/beta/userfiles/file/18249088271.pdf
- https://fainitelecommunication.com/public/editorfiles/file/20083510562.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/h1tvl6k2b05qpcetaf9ca3vh23/3292336061.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/bebc8a11cda8cd96b139b7a6704ac926/27226336648.pdf
- https://businessservicesuk.com/userfiles/file/22075679111.pdf
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/44020861951.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608882ec1d328---ripimuka.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612b698e954d9---24630257334.pdf
- http://machulski.com/public/file/fidupevajewudad.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079b45584585---95794083517.pdf
- 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_off0000d7bb.bineb11475a07d19b60e134ebca2ba1718699d233bb5dff65061e45adb383e19b44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BB | 17404 bytes |
font_01_sfnt_off000104d9.binca38d6217147258a9aad412224fb3d732c49602c2d55c248cf100b0230b7c57d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D9 | 10508 bytes |
font_02_sfnt_off00011cc2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC2 | 16792 bytes |
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