MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://huntic.ru/uplcv?utm_term=how+app+lock+works+in+android
- http://de.ruben.pl/ckfinder/userfiles/files/buzivodamosawi.pdf
- https://toppelletmachine.com/d/files/40174580170.pdf
- http://hybsch.it/upload/file/xisuz.pdf
- http://braghieriarchitettura.com/userfiles/files/42010917705.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161557e6de470a---99913016009.pdf
- http://shiokuda1.com/contents/files/12584501704.pdf
- https://ewt.cz/res/file/81304333243.pdf
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/vusago.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5e5fccc7c---62059062543.pdf
- http://sieuthibongda.net/ckfinder/userfiles/files/64475108666.pdf
- http://max-metal.pl/gfx/file/96864087845.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613358af42845---jezowavunujegosumatipub.pdf
- http://wdnederland.nl/file/62048954677.pdf
- http://ever0036.com/assets/uploads/ckedit/files/20210918052219.pdf
- http://metrocars.london/survey/userfiles/files/19263247553.pdf
- https://macjiboter.macjahisa.si/files/file/watujerobawuf.pdf
- http://arcenevents.nl/site/upload/files/26014545213.pdf
- http://serramentisiciliano.it/userfiles/files/moxititegexate.pdf
- http://banglenhospital.com/UserFiles/File/duwisosujijapujaxavetokix.pdf
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/63163439110.pdf
- http://abwcoliseum.com/uploads/files/795744884.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614314ae3f5de---52710322160.pdf
- http://unicaconsultoriarh.com/images/files/10580057906.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1615219e0c9204---36590250050.pdf
- http://mmprogetti.it/userfiles/files/xigofironisu.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_off0000b3a4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A4 | 16792 bytes |
font_01_sfnt_off0000cbbb.bine0148f1a5f2de488c94ffd976a244d64b8a47f2e93eff96c50b617586071ce60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBB | 10444 bytes |
font_02_sfnt_off0000e382.bin3604d5c7cda12a7456e2ea6ed24cd75bd6c6e575ee7f8befa2e138d4431ffe70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE382 | 15544 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.