MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure. The document appears to be a link farm, hosting numerous URLs that likely serve as lures or redirect to malicious content. The ML classifier also strongly indicated maliciousness, and ClamAV detected it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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 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://ggtraff.ru/aws?utm_term=advanced+cardiac+life+support+2017+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4483856/normal_5fd9ddf375ec4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448551/normal_5fefc687e4987.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402297/normal_5fb81117d858e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460980/normal_5fcd15cbaac46.pdfIn PDF document text
- https://molowusutet.weebly.com/uploads/1/3/1/3/131380828/2962688.pdfIn PDF document text
- https://site-1172276.mozfiles.com/files/1172276/wajugevaf.pdfIn PDF document text
- https://site-1166701.mozfiles.com/files/1166701/disable_adblock_opera_mini_android.pdfIn PDF document text
- https://site-1177644.mozfiles.com/files/1177644/xotarebogejevonalewok.pdfIn PDF document text
- https://site-1173612.mozfiles.com/files/1173612/fivapefonurepigikavobaz.pdfIn PDF document text
- https://kusavavatixe.weebly.com/uploads/1/3/4/8/134878613/225c9bb3d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494648/normal_5fe83b5d8efd0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484997/normal_5fb4d0dcba400.pdfIn PDF document text
- https://site-1173833.mozfiles.com/files/1173833/easy_piano_sheet_music_free_for_beginners.pdfIn PDF document text
- https://site-1178634.mozfiles.com/files/1178634/vufugaxuzin.pdfIn PDF document text
- https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/7059258.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444117/normal_5fe2ca415cbf9.pdfIn PDF document text
- https://dawoxojukuput.weebly.com/uploads/1/3/4/8/134890950/445206.pdfIn PDF document text
- https://kujegafibez.weebly.com/uploads/1/3/4/2/134265926/4906707.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/fatisake/rifil.pdfIn PDF document text
- https://s3.amazonaws.com/dujepav/54573743704.pdfIn PDF document text
- https://s3.amazonaws.com/vuzufexarevima/causes_of_stress_among_students.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000189e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x189E5 | 5488 bytes |
SHA-256: efdb6ff0bd3c19157e1be192b4a4831c22084c78dca6a75dcafcd539c2d9f1ea |
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font_01_sfnt_off00019ca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19CA5 | 12104 bytes |
SHA-256: 779f4e7845e0215f044e34eb8e8e6c22e78dcae01ada4befe863fc8b488162c2 |
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font_02_sfnt_off0001c4cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C4CB | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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