MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://sinocelltech.com/filespath/files/20210902122310.pdf In PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382ca69d70e---39414241668.pdfIn PDF document text
- http://ihanzao.com/userfiles/file/20210910052528_116157479.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/53069781078.pdfIn PDF document text
- http://rejs2013.cycling-recycling.eu/imgturysta/files/sezudujikopedak.pdfIn PDF document text
- http://archifolder.com/userfiles/files/sotexebotekarafujutobupu.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a362e97160---waninolezavuv.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/sekixe.pdfIn PDF document text
- http://master-vin.ru/files/file/wizez.pdfIn PDF document text
- http://gpmpoolandspa.com/ckfinder/userfiles/files/mexenadawodobisediwozu.pdfIn PDF document text
- http://nelly-design.ru/upload/files/xiroranunotojake.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/50078253737.pdfIn PDF document text
- https://electroagro.es/pub/files/denobubufozer.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c69dd5799---kenemifeviwipoxunirito.pdfIn PDF document text
- http://firmen-bekleidung.at/userfiles/file/feduvidofafapexepamunarid.pdfIn PDF document text
- http://edilcfcostruzioni.com/userfiles/files/65215873579.pdfIn PDF document text
- https://faceless.me/userfiles/files/ninex.pdfIn PDF document text
- http://transgusto.ch/userfiles/file/20111969568.pdfIn PDF document text
- http://kmconlinecme.com/userfiles/file/jezejizoxemosomavaba.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/15998839451.pdfIn PDF document text
- http://teresachild.com/upload/files/towagetafazafi.pdfIn PDF document text
- http://commune-bourre.com/userfiles/file/417861074.pdfIn PDF document text
- http://jagdrevier.hu/upload/images/file/zesubesetazaso.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=shqip+tv+onlinePDF 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_off0000ec96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC96 | 18148 bytes |
SHA-256: 5cd323e9f3f9bc362de066195799f41efd481f4a583fa2bfdd87e223cbcf149d |
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font_01_sfnt_off00011b6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013382.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13382 | 10204 bytes |
SHA-256: ba93a63e60ee982e637b0a66a824ad6a9edd80d5444af25ec4fff27085ea3a67 |
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