MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan delivery mechanism. It contains numerous embedded links, many pointing to disposable domains, suggesting a link farm designed to redirect users to potentially malicious content. The document body is heavily obfuscated, preventing a clear understanding of its purported content, but the presence of external URIs and the overall detection profile indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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://pelibifir.ru/123?utm_term=android+9+pie+samsung+a5
- https://static.s123-cdn-static.com/uploads/4531626/normal_5fde34f168ad8.pdf
- http://pefiworawodud.mypressonline.com/speak_english_fluently_books_download.pdf
- https://static.s123-cdn-static.com/uploads/4387825/normal_6004b77deaf86.pdf
- https://gawenowufiwozup.weebly.com/uploads/1/3/1/3/131383543/a0baf0bd7ecf982.pdf
- https://zoxawilasewowi.weebly.com/uploads/1/3/0/9/130969521/7519630.pdf
- https://cdn.sqhk.co/letarezetap/PibLjcP/clothes_worksheets_clipart.pdf
- https://cdn-cms.f-static.net/uploads/4414495/normal_5fe8fcc602ecb.pdf
- https://sarerudaguf.weebly.com/uploads/1/3/4/3/134373173/fe92664.pdf
- https://cdn-cms.f-static.net/uploads/4481528/normal_6023f260e89d1.pdf
- https://lugafowak.weebly.com/uploads/1/3/4/6/134647172/8924925.pdf
- https://cdn.sqhk.co/nokowifupe/brkqz4t/ultimate_photo_mixer_for_pc_free.pdf
- https://cdn.sqhk.co/fafujedajir/TgdjjUw/28731080593.pdf
- https://cdn.sqhk.co/pivokazi/A9jizgd/sirolimus_vs_tacrolimus_liver_transplant.pdf
- https://ranaxeli.weebly.com/uploads/1/3/4/4/134478161/3700390.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/5216d105-8a60-4b1b-ad92-46f9c559bbce/how_to_install_nexus_mods_on_xbox_one.pdf
- https://uploads.strikinglycdn.com/files/96dc3d8e-6810-4e18-bcb7-575278df358f/60515042773.pdf
- http://zibelasavu.atwebpages.com/61990313655.pdf
- https://uploads.strikinglycdn.com/files/f378a908-b217-4cc0-9232-933dd2abf7b5/62894756664.pdf
- http://palexibibiw.atwebpages.com/tugixikaketawute.pdf
- https://uploads.strikinglycdn.com/files/a61d5d6f-9bc5-4183-b66f-f58a5b68cbee/30851137460.pdf
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f35c.bin893da30b8e5bd9a549ab8f1cfcba200c249e0b7170015b1655c530e693cff4dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35C | 5516 bytes |
font_01_sfnt_off0001060c.bin8bf16c68b12123e60ae85a64701bc7bc702479bc7d4f6c7e55f238283bef7d28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060C | 10424 bytes |
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