MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. One critical heuristic identified a link to known malicious redirector infrastructure, and ClamAV detected the file as a phishing trojan. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://traffmen.ru/aws?utm_term=my+tata+sky+app++please In PDF document text
- https://cdn.sqhk.co/rukugewul/Viajghf/mesh_stress_balls_near_me.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366365/normal_5f870f9043b17.pdfIn PDF document text
- https://site-1168006.mozfiles.com/files/1168006/xidogimov.pdfIn PDF document text
- https://cdn.sqhk.co/fejavegiwo/TaAOFAq/43502564749.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417046/normal_5f98df5faa384.pdfIn PDF document text
- https://jajaleregonu.weebly.com/uploads/1/3/4/2/134235513/jutisonaxuboruluju.pdfIn PDF document text
- https://cdn.sqhk.co/dekaroku/KjdKpif/go_planet_enschede_vlooienmarkt.pdfIn PDF document text
- https://site-1175951.mozfiles.com/files/1175951/10th_premier_english_guide_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378410/normal_5fb8f87167f74.pdfIn PDF document text
- https://site-1176447.mozfiles.com/files/1176447/assamese_movie_song_website.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402244/normal_5fa38ffe8d45f.pdfIn PDF document text
- https://cdn.sqhk.co/tusupuwadoda/SgjmVB9/pathogenic_microbes_list.pdfIn PDF document text
- https://pevigegokepos.weebly.com/uploads/1/3/4/3/134366184/ritofe.pdfIn PDF document text
- https://site-1166671.mozfiles.com/files/1166671/polavizejul.pdfIn PDF document text
- https://site-1175399.mozfiles.com/files/1175399/stickman_jailbreak_9_funny_escape_simulations.pdfIn PDF document text
- https://cdn.sqhk.co/joduragenep/d5jdgf1/43629919528.pdfIn PDF document text
- https://site-1174289.mozfiles.com/files/1174289/alien_shooter_game_download_for_pc_windows_10.pdfIn PDF document text
- https://site-1166725.mozfiles.com/files/1166725/34171002567.pdfIn PDF document text
- https://venumokup.weebly.com/uploads/1/3/4/8/134866871/6195925.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off0000da07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA07 | 4888 bytes |
SHA-256: b91d874c6e3dbd6e8ed38cfee9c53cafbd4b8bf319ca68eea1b1688a84898571 |
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font_01_sfnt_off0000ead6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD6 | 11156 bytes |
SHA-256: 15c2d37658e0aaabda66ca4bd3743f0afc14244696fc0ab780f87a5f30e76d30 |
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font_02_sfnt_off00011140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11140 | 16556 bytes |
SHA-256: 488ff1f82ecfabebef85f97cbc549540e9cbbcbc995c1204b45ae692c5538e2c |
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