MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, designed to redirect users to various content. This behavior is indicative of a link farm or phishing lure, aiming to drive traffic to potentially malicious or ad-filled websites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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/strik?utm_term=what+is+the+best+book+to+learn+astrology PDF link annotation
- http://fizebiredasibi.mypressonline.com/what_is_a_good_debate_topics_for_college_students.pdfIn PDF document text
- http://raisinshq.club/php_ecommerce_website_project_free_download7527d.pdfIn PDF document text
- http://copyright-notice-ig.com/mini_gs_barrel_thread4o4ws.pdfIn PDF document text
- http://fullpisetc.ru/87779576153xwb1p.pdfIn PDF document text
- http://avit0.cc/76509947752y1i54.pdfIn PDF document text
- http://dresdenpharma.ru/tree_climbing_knotssp6za.pdfIn PDF document text
- http://eurosett.net/characteristics_of_life_quiz_answer_keyrebrv.pdfIn PDF document text
- http://m-laskin.ru/gabajlrkp0.pdfIn PDF document text
- http://vitrinachel.ru/15350367063l9lbk.pdfIn PDF document text
- http://ek-arenda.ru/magisterial_vs_radical_reformationtx1ex.pdfIn PDF document text
- http://afracheat2.xyz/58637233240sm5ag.pdfIn PDF document text
- http://tehnotop.store/19709794766eldb.pdfIn PDF document text
- http://jakusavu.sportsontheweb.net/what_does_the_bible_say_about_toxic_family.pdfIn PDF document text
- http://particulieres-societegenerale.best/mopadebufw2px.pdfIn PDF document text
- http://barberking.best/waviwibosakotolalumotewu49jub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d5bea983-5bca-41ba-aae6-6b688785cc77.filesusr.com/ugd/9ec29b_4e0556d5bf9a4ee3b8adcfccb5634b42.pdf?index=trueIn PDF document text
- https://0eb00d84-361a-45dc-b346-1af5c8eb785c.filesusr.com/ugd/d79848_3ed92693f17443d9aa51e91c807c9a1b.pdf?index=trueIn PDF document text
- https://d525ee04-2a40-494f-8ba9-fee52f7b18ee.filesusr.com/ugd/8b8e24_78339521087b48e9a15a2b027477c158.pdf?index=trueIn PDF document text
- https://ded05c8b-f0d8-42bc-a64b-daa0b63394ca.filesusr.com/ugd/99afdc_074bd4669c4d4048bd45d89dd7a253f5.pdf?index=trueIn PDF document text
- https://ca30e0e0-ecf2-44ab-b6a2-fe26291458be.filesusr.com/ugd/34e21e_905afaa76c1a45e085cb8c6debe8f391.pdf?index=trueIn PDF document text
- https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_c83cf82836c8465aa880a70e2f7c4469.pdf?index=trueIn PDF document text
- https://d872ce2a-2baf-4032-ab86-ab75b2f66d52.filesusr.com/ugd/338562_6a880ac6019d40e19c5cf307f2884221.pdf?index=trueIn 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_off00013da4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA4 | 5264 bytes |
SHA-256: f397feea9d889779e82f7f2708c92f92b2f4296659642f0853c99560143b6464 |
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font_01_sfnt_off00014f97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F97 | 10720 bytes |
SHA-256: 2d24af3ec3f07df1501b4f750a8c0048a0231981387dcee897647a1dc14e19a7 |
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