MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of numerous URLs, many hosted on compromised WordPress sites, reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.bash.cl/media/file/vatufinejavetagazomul.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/2b59e5661da7c456ea2d7d07334c46ad/sodapulo.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/a2942f972625728cd43a7e287795edc2/nebugevedud.pdf
- http://rooptex.com/uploads/2705731897.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608be304eb8d1---pitasewen.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f7267b3cd---99323685401.pdf
- http://clubselectionvoyages.com/images/file/29869878411.pdf
- http://geerhannutpourreussir.be/docs/upload/files/vibexeku.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/5207feb557d219bb81a822385707aaad/50395273368.pdf
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/dbfc706a2f05e8a19a66a4ea7a4c8373/37336073732.pdf
- http://www.awakohchang.com/image/upload/File/izujufaxedasajoto.pdf
- https://kluchar.net/klucharnet/images/file/10046572848.pdf
- http://anvlaw.com/userfiles/file/lusogatilogewoxul.pdf
- https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/zagixafuruwekaxe.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/3f296d868e8bcb8b9c6a4c175adb0817/82219335887.pdf
- http://hms31.ru/img/file/19180683618.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea7af0e41d---zuwokivizewi.pdf
- http://geoass.eu/userfiles/files/zuxekoxevedopa.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c747e381dfc---60295371043.pdf
- http://artecgroupservices.com/imagenes/file/riribekejubedekar.pdf
- http://hersheyhigh1981.com/clients/37302/File/60212403137.pdf
- http://giustizianuova.it/userfiles/file/31338395253.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/8097fb668cce5d2029649d439ab79db6/66715172864.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=sony+a7s+ii+manual
- 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_off0000b5fe.binfa606e1ab5d8ca43660d282975b9354e53c43104c34cfb1d5174916fe0b6dea2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5FE | 10276 bytes |
font_01_sfnt_off0000cd1d.bin4cda7309d13ae55ade7aeb5d38ac71348702d73e45f3d2c98f661fd8eaf4d58e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD1D | 21056 bytes |
font_02_sfnt_off000101ec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101EC | 16792 bytes |
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