MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a phishing trojan by ClamAV and flagged by an ML classifier. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using many distinct, potentially disposable hosts to obscure the true destination. While no scripts were explicitly extracted, the nature of the embedded URLs and the detection as a phishing trojan strongly suggest an intent to redirect the user to a malicious site, likely for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161408219bdd71---xokoruzudipefujafu.pdf In PDF document text
- http://somsit.com/ckfinder/userfiles/files/40243907882.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/pumodelepetodowodoxoxam.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/sakadiramugisiwuzu.pdfIn PDF document text
- http://makinsushi.com/uploads/files/muxotopejav.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/lonevejopixijupeketu.pdfIn PDF document text
- https://mumegram.com/userfiles/file/zaxalurawozobirerawiseg.pdfIn PDF document text
- http://hoya889.com/upfile/files/20210916235834.pdfIn PDF document text
- http://tsrmmessina.it/userfiles/files/pamutajuzidudekajojufo.pdfIn PDF document text
- https://flims.atelierleuthold.ch/userfiles/files/rojalarefizixosadaziteri.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/8589719719.pdfIn PDF document text
- https://nexusmediation.nl/files/33750316060.pdfIn PDF document text
- https://menu2uplus.com/images/file/sugekopinajiviwi.pdfIn PDF document text
- http://rld-carbon.ru/file/15902539086.pdfIn PDF document text
- https://discovercefalu.com/_data/images/file/pozuvofepevalajalatuzuriz.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135d86719944---bolusilani.pdfIn PDF document text
- http://nobody-films.com/bpms/includes/fckeditor_uploads/userfiles/file/nenesesadodugowovize.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210914093445.pdfIn PDF document text
- https://tgvl.in/uploads/fck/files/fagobogavedemimafixeba.pdfIn PDF document text
- http://doremimarlikinsaat.com/userfiles/file/likimu.pdfIn PDF document text
- http://sccsfz.org/upload/2021-09/kezerizipuxozuxizi.pdfIn PDF document text
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/12445190367.pdfIn PDF document text
- https://realxenon.ru/uploads/files/25368798007.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/69820266026.pdfIn PDF document text
- https://vonia.mikludava.lt/images/files/xarapabafefinafel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=hate+but+love+quotesPDF 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_off0000b40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB40A | 14812 bytes |
SHA-256: 9ad15e1632cb491d3d773522b8f07a31237c935e753ece524703c2af6202daa1 |
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font_01_sfnt_off0000d82b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82B | 10248 bytes |
SHA-256: 8f3a645f18924d5b125866a4b0a0b772223fa7fee9aa0b4fc8a0f2cc519cf94a |
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font_02_sfnt_off0000ef63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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