MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. The embedded URLs likely serve to distribute further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://poltinka.ru/userfiles/file/58933864323.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/c6i79nvmcf5qtpd603l02a4g84/90605471778.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/0gulmu86cn9ol9g0oght1ahg90/gozifidobisalamevudefer.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/ibpl06g1odoceebc5rvrh8fnmg/xulemobejesezas.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/17akkts4eria5qlfalh1m59bd8/46008047987.pdf
- http://galluccifaibano.com/userfiles/file/3810245589.pdf
- http://a-kamen.com/userfiles/file/36983747013.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087621879da9---68483391569.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/20df18b9e1d86809fc12ee46ae853f38/46418786337.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf30fbb601---31432147853.pdf
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/popuvoraxugitadolekot.pdf
- http://ypperfect.com/ckfinder/userfiles/files/15958104231.pdf
- http://norview63.com/clients/5/59/59ba6e1aa7224642a1eeb14435756cbf/File/90445455954.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/bb5e6d0997dc8abf373ba17d3b11cfd3/pinaxopavipiruzinefewum.pdf
- http://aftckwt.com/uploads/file/35530643592.pdf
- http://bio86.fr/fichiers/maxututuxozulumev.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/d22ca3746fac7c9a322085dc59554ad4/27361451447.pdf
- https://webmakler.org/userfiles/file/gogewurolu.pdf
- https://shopinhome.com/ci/userfiles/files/11454762352.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/9p7pghvs75anhm3lq2l1vsmirc/82922204767.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/34dc156247081dbe009953a3f58e68af/51426488959.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/67fd8024ca828f7492a59f2282dc7664/sadekepuketupepafopewavuf.pdf
- https://aduanaldelvalle.com/userfiles/file/74796639276.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=bunuel+in+the+labyrinth+of+turtles
- 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_off0000f29b.bin9ac1794851db226e34a53cf271c19612064e495fe6e5c7eda50c8af250a7fe21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29B | 18504 bytes |
font_01_sfnt_off0001228c.bin6c1f5f83804a631ae2a5a95aa18a953363d5c591ba48b7833777b9b7f2fa649a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1228C | 10716 bytes |
font_02_sfnt_off00013b27.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B27 | 16792 bytes |
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