MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URIs, many of which point to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a raw IP address in one of the URIs further increases suspicion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://budapesticukraszdak.hu/userfiles/files/82250966661.pdf In PDF document text
- http://opuspointpartner.com/ckfinder/userfiles/files/51094575470.pdfIn PDF document text
- http://njxinbell.com/upload/files/94429893347.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/54103843492.pdfIn PDF document text
- http://mobil-tech.com/files/31293893718.pdfIn PDF document text
- https://latework.cz/soubory/1294375428.pdfIn PDF document text
- http://trustycctv.com/ckfinder/userfiles/files/68121527195.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/nv9qlhdtd9v6u2mcp06sfrj1r2/96654927451.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd0b7d7bed---93207863117.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/38095819419.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613449612141a---taxizezofupude.pdfIn PDF document text
- http://opuspoint.com/ckfinder/userfiles/files/faverosuvafo.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/682v7qngp86jenrg549vrbul3h/12540241467.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/tekuniwudel.pdfIn PDF document text
- https://gadd-asso.org/userfiles/file/5740391021.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/61220008639.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/zekokatitera.pdfIn PDF document text
- http://jiab.net/userData/board/file/newijegizaxogu.pdfIn PDF document text
- http://dailycan.com/userfiles/files/63322903301.pdfIn PDF document text
- http://anquocrealty.com/uploads/image/files/xesonupaxolikufakikebuze.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/31931017921.pdfPDF link annotation
- https://qualitygums.com/userfiles/file/96084333081.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/jopojelirokiz.pdfIn PDF document text
- http://caythuocdangian.net/images/files/9052612500.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=schaum+calculus+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB2F | 10412 bytes |
SHA-256: 583f276de64791a7a1c4745a0d125608a13c112399dc5839b92c4dccccbe23ee |
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font_01_sfnt_off0000e2b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B9 | 18096 bytes |
SHA-256: fa2429b8eeb355fdc41f09b749f0ec9cd1af22046fb8ff06c7f9a6ef5a90162d |
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font_02_sfnt_off0001115f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1115F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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