MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, presenting numerous links to potentially malicious files, with one URL identified as a disposable hosting link. The presence of embedded URLs and a 'download button' heuristic further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dailythang.com/userfiles/files/kanujoxajapigezok.pdf In PDF document text
- https://bodegoncriollo.com/userfiles/file/72660143808.pdfIn PDF document text
- http://jdjcnc.com/upfolder/e/files/20210905203654.pdfIn PDF document text
- http://borik.customreal.sk/data/files/nikisobitutofuxaseted.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354f436cc6a---pirul.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///53297704668.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/63346800264.pdfIn PDF document text
- http://comlark.ru/userfiles/files/zedafawerezawo.pdfIn PDF document text
- http://karpatskiles.ru/store/files/77936157901.pdfIn PDF document text
- http://ctmmaximoravenna.com/ckfinder/userfiles/files/38557378407.pdfIn PDF document text
- https://skillmapmagazine.com/ckfinder/userfiles/files/jagusewijotu.pdfIn PDF document text
- https://detmers-kontejner.hr/files/munukakopa.pdfIn PDF document text
- http://www.sandipmallick.com/fckimages/file/pavofuwa.pdfIn PDF document text
- https://art-lamps-rali.eu/files/file/98756605872.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/winuzupinewezerinujetifu.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210911_88CE24D5C2EB1CB3.pdfIn PDF document text
- http://www.smpnuenen.nl/images/files/48795437223.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/zumajaropedilulolezugu.pdfIn PDF document text
- https://get-insurance.in/ckfinder/userfiles/files/tofabozesexesetoxijemuvum.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/78245623233.pdfIn PDF document text
- https://whitesal.com/data/images/file/4909_20210911184658.pdfIn PDF document text
- http://grandp.ru/userfiles/file/47122280994.pdfIn PDF document text
- http://siddharpeedam.org/userfiles/file/In PDF document text
- https://zhansq.cn/upload/file/karumusizibovemepupiniku.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/57424345955.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=concepts+of+modern+physics+by+arthur+beiser+free+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_off0000c87c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC87C | 17144 bytes |
SHA-256: e4390d7b3d222ccc93a9d8a3a297742ad66fd8cf250b05921a0c5272cefb8921 |
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font_01_sfnt_off0000f4eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D02 | 11224 bytes |
SHA-256: bc40d3114b11002956d819f63d35523e769349a895729a33ef8890c881a3f5e3 |
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