MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to download content from compromised WordPress sites, likely as a lure for further malicious activity. The presence of multiple external URIs and compromised CMS upload links suggests an attempt to distribute malware or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pistant.ru/uplcv?utm_term=transformers+5+full+movie+free+download+in+hindi+hd+1080p
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/culghuf4lhk10mmlvcm34fu6q0/1680684620.pdf
- http://bmsorganica.com/userfiles/file/fanano.pdf
- http://alimentosldm.com/userfiles/file/gamuwinuga.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/ltcbqlrmg0kbc5ejqeglvulqsb/kumegujinuvuje.pdf
- https://stopserv.ru/files/file/1254226139.pdf
- http://elateridae.com/images/FCKeditor/file/74175395346.pdf
- https://sharjahcements.com/images/bulk_images/files/77068068998.pdf
- http://patrick-jardinage.fr/ckfinder/userfiles/files/2435824880.pdf
- http://kap-group.com/ckfinder/userfiles/files/rijuziwagejumagij.pdf
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/1c9db390905c60afe8f4584ae2a4e3a5/28925792088.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7a38d6962---87769723023.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/r9phbv7c8b65uac1mm45coml62/1882257479.pdf
- http://evohome.pl/userfiles/file/57918764349.pdf
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/87183549593.pdf
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/budedi.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160872099b2226---judufiwibomap.pdf
- http://thuexedanang247.com/uploads/image/files/bikipafide.pdf
- https://rivnerun.club/images/files/zigulizalibabu.pdf
- http://gloria-eurex.com/39134058404.pdf
- http://faradbox.pl/files/file/pejexizavesoleke.pdf
- http://dhs1959reunion.com/clients/871764/File/kuvupovasezon.pdf
- http://biosite.ru/images/news/file/78371299562.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_off0000daf2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF2 | 16792 bytes |
font_01_sfnt_off0000f309.bincf05e9462bb987eb49dd79129f1f62bb987263820a78aae178fb794d34cc1b70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF309 | 11396 bytes |
font_02_sfnt_off00010dc7.bin9a89a6a2beff283d5c53927ef61aaaf796ff4f90d57757e79a2f34599c259e07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC7 | 16748 bytes |
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