MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external resources, classifying it as a link farm. One of the URLs, 'https://dafemum.ru/strik?utm_term=tropic+of+cancer+passes+through+indian+cities+map', is identified as a malicious redirector. The ClamAV detection and ML classifier further support its malicious nature, likely intended to phish or redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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/strik?utm_term=tropic+of+cancer+passes+through+indian+cities+map In PDF document text
- http://jotipire.iblogger.org/sosurulojisederugotilimu.pdfIn PDF document text
- http://nejuwenazi.iblogger.org/datix.pdfIn PDF document text
- https://piwutevuxave.weebly.com/uploads/1/3/4/8/134891910/9605119.pdfIn PDF document text
- http://jumbochecker.com/96645263220gk62p.pdfIn PDF document text
- http://merogerofame.66ghz.com/alaska_waterfowl_guide_license.pdfIn PDF document text
- http://kefojixesopu.66ghz.com/omnisphere_2_lowest_price.pdfIn PDF document text
- https://lixubirenolona.weebly.com/uploads/1/3/4/6/134669397/3959027.pdfIn PDF document text
- http://fasad-dom.site/what_is_interpersonal_communication_in_the_armyozbhi.pdfIn PDF document text
- http://vagijuderotogur.22web.org/business_communication_now_locker_findlay.pdfIn PDF document text
- http://rusakova.space/happy_fall_break_memeyg3qt.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://cf268418-7549-4780-9cff-e39e61b5276c.filesusr.com/ugd/0b1cf2_343527d3e33245d0be759c33310fa670.pdf?index=trueIn PDF document text
- http://fabebosuvolilu.epizy.com/what_should_i_expect_at_a_nursing_school_interview.pdfIn PDF document text
- https://0fc0baf9-b884-4fcd-968e-f93c0f938930.filesusr.com/ugd/68ec51_966f38de80874a07b831acab092d4c00.pdf?index=trueIn PDF document text
- https://9b08d158-0e0f-4203-9b31-e1272d977b1c.filesusr.com/ugd/086daf_f6588cc9a467460091de84bb1d791463.pdf?index=trueIn PDF document text
- https://b5c4f4dd-ae1f-4f6a-908c-f463551224e4.filesusr.com/ugd/dafd60_1fdda1af1d76494d9c9cdb5cb874691c.pdf?index=trueIn PDF document text
- http://zevatilak.epizy.com/2950225721.pdfIn PDF document text
- https://04a9e765-cf69-4035-9b9a-998d8fb4e692.filesusr.com/ugd/8c5016_5583b37fd2f74ce6a45669cdd918676a.pdf?index=trueIn PDF document text
- https://297de083-771a-4730-a3b8-a2afe8c7d209.filesusr.com/ugd/47424f_68b2bfde3fd9478fac2a6225ae34b349.pdf?index=trueIn PDF document text
- http://wilafeduzavedew.epizy.com/printable_calendar_november_2018.pdfIn PDF document text
- https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_ef0082a9429c495b85b4ae508ecebd2a.pdf?index=trueIn PDF document text
- https://6f847715-c85a-45d9-ae5c-7c68cc800588.filesusr.com/ugd/6e100b_a3bc2772c1004716ba620be09ce596c7.pdf?index=trueIn PDF document text
- https://c6506652-bf5e-4f52-be36-03dbfaede22c.filesusr.com/ugd/f74919_256dceb5ae694aeeb14aef10e8204216.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55F | 5368 bytes |
SHA-256: 0b76d70ada2e10d512e77852cb27884cacb4704f33f3bd83319b188fc86f64bd |
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font_01_sfnt_off0001076a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076A | 12232 bytes |
SHA-256: f3ae5b9776fc775bd272401adff8074390771c108d2b2dd203b53d72cb81bbfa |
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font_02_sfnt_off00012ff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF6 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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