MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external PDFs hosted on disposable domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The heuristic 'PDF_RANDOM_URL_LINK' specifically points to a suspicious URL that likely serves as a download or redirect point for a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 https://tp-pos.com/uploads/image/files/23408551640.pdf In PDF document text
- https://medbioplast.com/klucharnet/images/file/13936792283.pdfIn PDF document text
- http://fasson.vip/images/editor/files/wukeroruxaxopavozizi.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021090901542665929.pdfIn PDF document text
- http://lucidareemantenerepavimentifaidate.it/userfiles/files/sunateberekupufowotaj.pdfIn PDF document text
- http://www.koeru.eu/failid/file/pupokafi.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/vumutuluxodipavusaluxu.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/f9c96d0431ce82898c7e82f7fbdb28dd/64670139589.pdfIn PDF document text
- http://kaies.net/upfiles/file/42877418077.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/34118027053.pdfIn PDF document text
- http://www.plan.msu.ac.th/ckfinder/userfiles/files/madovozorize.pdfIn PDF document text
- http://centromp.it/userfiles/files/83445335032.pdfIn PDF document text
- http://ctcinsulator.com/uploads/file/29685505246.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/68998562758.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393fd559975---66149181069.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/doluluwekose.pdfIn PDF document text
- http://quinta.cl/upload/files/83232612501.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/metasopusizevuxetitezubi.pdfIn PDF document text
- http://thienanglass.vn/upload/files/zizefolunosisajik.pdfIn PDF document text
- http://tehpromyar.ru/media/file/jagiwufalam.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/29047194770.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/60771222236.pdfIn PDF document text
- http://fincasotilloviejo.es/files/sotillo/_repo/file/zelivogin.pdfIn PDF document text
- http://exhibitionchannel.com/upload/4653278850.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=subway+surfers+ultimate+hackPDF 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_off0000ca4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA4A | 10984 bytes |
SHA-256: c86ce5150b9224181054d7f68bde0e79c7a15b1b0a54eb139fc66a9a480785b2 |
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font_01_sfnt_off0000e3e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fbf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF6 | 17376 bytes |
SHA-256: 242a837d88b00fa13fedaee0dfa23ae529c41fa90348553a5b5c49ff9ac10d24 |
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