MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The embedded URLs, particularly 'https://dafemum.ru/strik?utm_term=what+is+the+human+orientation+to+activity', are indicative of phishing or scam attempts. The PDF structure and the presence of numerous links to disposable hosting further support a malicious intent to redirect users to harmful sites.
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://dafemum.ru/strik?utm_term=what+is+the+human+orientation+to+activity In PDF document text
- http://podcard2020.site/autotask_outlook_plugin5ra5s.pdfIn PDF document text
- https://vejazisiji.weebly.com/uploads/1/3/0/9/130969480/fidesubekis-buxesom-xobepij-munogemeni.pdfIn PDF document text
- http://nibumuxadata.66ghz.com/daguritiwejavazifa.pdfIn PDF document text
- https://tonudekosinin.weebly.com/uploads/1/3/4/6/134685286/0b46a4cc68.pdfIn PDF document text
- https://menuzuxa.weebly.com/uploads/1/3/1/0/131070619/a7898c54e421637.pdfIn PDF document text
- http://foruzakitotilut.iblogger.org/wipupigavifuwi.pdfIn PDF document text
- https://tujupanex.weebly.com/uploads/1/3/5/3/135333196/890289.pdfIn PDF document text
- https://nubokulusavabum.weebly.com/uploads/1/3/4/7/134702007/zixuxax-fasoro.pdfIn PDF document text
- http://gikiwasixe.66ghz.com/45961938738.pdfIn PDF document text
- http://pr-bux.online/73971253506ykgz8.pdfIn PDF document text
- http://topuniversityru.fun/jafisaxegepupizovotoxemqlybs.pdfIn PDF document text
- http://ig-socialmedia.xyz/71098611745735c2.pdfIn PDF document text
- https://mefosenide.weebly.com/uploads/1/3/4/7/134715399/renunurax.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/xonobijikivo/98386297931.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5522971-63f9-41ec-88d0-06dc9afba06d/winalepetubim.pdfIn PDF document text
- https://s3.amazonaws.com/vufupu/4175567641.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96adb053-be2e-4ad4-8557-76b1b287f970/xelumebap.pdfIn PDF document text
- http://gadiwovujema.epizy.com/berimebamepijawenawuvome.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/156ccd76-645d-4b57-b9cc-0bc9394e916c/metro_2033_book_game_differences.pdfIn PDF document text
- http://doxilotosifoku.epizy.com/auditoria_informatica_de_explotacion.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d3e5890-7564-4469-bb8f-44d4e1e44d14/regabuvutomijad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab9a8986-14d9-4b3b-ba35-f34f73138c83/mafobisatafij.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_off0000e961.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE961 | 5064 bytes |
SHA-256: e251793966d939be3211bf73f5b96cfee5bc14cba949eb507b5ee0e767840b91 |
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font_01_sfnt_off0000fa7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA7A | 10660 bytes |
SHA-256: 37b3793d8b2b45ef916e3cadda9d58418d4b262ce5846dc18db1a14fb2040409 |
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font_02_sfnt_off00011eff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EFF | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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