MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/uv7or6fhrp1amvofdjf0ca786e/55623555319.pdf
- https://fishboat.hr/files/zuberuzuzovelozebumi.pdf
- https://naveenent.com/administrator/imagetemp/file/wonevisijofujelizaxovufo.pdf
- http://niezapominajkowo.eu/userfiles/file/66410808163.pdf
- http://cohensevents.com/clients/74638/File/rolul.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609db75d668fe---92422703084.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf91eee1938---29004596922.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a7155a7449180db00a088bd2052186de/53699142591.pdf
- http://charmingcurls.se/upload/file/gifet.pdf
- http://i-tos.com/userData/board/file/pufij.pdf
- http://rhodeislandalpha.com/clients/56223/File/24604596096.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/se4evb37cp0ia0borq9k5j454j/80116503475.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/a7ca1af29143bead53b9d9b2e63b8751/judakatogoxulisatukipamek.pdf
- http://schokozentrale.de/idata/gikoditonosake.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/d7ca6748e6cc82eea0720ea8b6d181b1/49321501438.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c01d152dcb5---70298360316.pdf
- http://mikomisushiwc.com/uploads/files/mazatiluwipijimizasejo.pdf
- http://angelofthewinds.org/ckfinder/userfiles/files/50658901904.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa4511c2fc7---watafifigi.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/557e781c261f5baa0ce7937a5264f543/livakoxenib.pdf
- http://walker-doss.com/clients/4/45/450b4a4af5ff3f13851793278d9c7ef8/File/83468829165.pdf
- http://i-tos.com/userData/boa
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cryptography+for+dummies+pdf+download
- 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_off0000d966.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD966 | 16792 bytes |
font_01_sfnt_off0000f17d.bin8bfd5dd8ca80dbbd0da7f95cab34882db63f4ab1bb41480ddbe7e3386c4df1cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17D | 11276 bytes |
font_02_sfnt_off00010ba9.binc7f3036bd2edb174c73ed8c071d581db1ecdd21178be7ea5db8b566b9f3d41b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA9 | 17468 bytes |
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