MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a translation app. The presence of multiple PDF links and a link farm heuristic indicates an attempt to distribute or redirect to malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://dafemum.ru/123?utm_term=english+to+french+translation+app In PDF document text
- http://kemytbok.xyz/5267906964nwm19.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422133/normal_603718d1321f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391915/normal_6035cdc09d8c0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449771/normal_5ff7575e44831.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454682/normal_5fe137d72ca17.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388274/normal_604ab25a39430.pdfIn PDF document text
- http://bumaga.bz/87079171027hsqam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490264/normal_602afb764507a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419236/normal_5fd30a09ee795.pdfIn PDF document text
- http://teagreen.space/celluloid_closeteorsm.pdfIn PDF document text
- http://azules.ru/metformin_500_mg_for_pcos8ks2x.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424645/normal_5fd36c74a31f6.pdfIn PDF document text
- http://fresh-ita.fun/purafalowvz14q.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427501/normal_5fc84ff553060.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485927/normal_5ff3d220e3421.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b1e6e3cd-24a2-426a-8b7d-e8f4bd81915b.filesusr.com/ugd/83e584_194ff8a9e34a46768fb3a2d534fb4216.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a6896f2a-9afc-4ecb-8cd6-f302434277b8/69022096937.pdfIn PDF document text
- https://s3.amazonaws.com/kefodek/romodivokarati.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49b12e78-72c9-4523-bf17-c8ec8ffcdbf9/how_to_turn_on_a_us_craftmaster_water_heater.pdfIn PDF document text
- https://dae57379-2785-4108-a223-4562ecbfc22e.filesusr.com/ugd/87ad98_b02763b015fc46c2b3704801ef758446.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lixisariwulo/android_auto_update_uk.pdfIn PDF document text
- https://3f3b26af-a357-4ab7-b723-baa2d0f6bb2b.filesusr.com/ugd/5d6e2e_41abc09384d24e3a9adcc63d7aba01b9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b90f93d9-96df-44ac-96a0-1db2c64f017f/82632364312.pdfIn PDF document text
- https://s3.amazonaws.com/zuguvoxoki/former_wisconsin_badgers_in_nfl.pdfIn 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE951 | 5232 bytes |
SHA-256: 8e4c9ff120fd6ff9c6ca885909ed20c914889a44b13b3fea3a92938e12a72a57 |
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font_01_sfnt_off0000fb29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB29 | 10748 bytes |
SHA-256: 132436c62129b2db9c0c837469368ea052405aa26c51516a2e8346c096aaf864 |
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