MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to drive traffic to malicious sites. The primary URL, vilenefex.ru, is presented with a query parameter related to unlocking a Samsung phone, indicating a phishing or scam lure. While no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of malicious intent, likely leading to a second-stage download or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://vilenefex.ru/strik?utm_term=unlock+samsung+a10e+metropcs+z3x PDF link annotation
- https://cdn-cms.f-static.net/uploads/4529281/normal_60401c5cc5bf1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374522/normal_606b31e955588.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418001/normal_603e0f6cc6a5f.pdfIn PDF document text
- http://iciko.xyz/kenerosilal1uvhs.pdfIn PDF document text
- https://cdn.sqhk.co/pepupiribojo/ghkjaic/tamunezivamiwetivazizu.pdfIn PDF document text
- http://glasshookahcatering.com/67287868481i2s5u.pdfIn PDF document text
- http://instapriz.website/best_comments_for_kindergarten_report_cardsda7vh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366655/normal_605703f0be4a7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502178/normal_6029b410824d8.pdfIn PDF document text
- http://morpeoplelife.ru/buxanuweledubatoxivomaduapwli.pdfIn PDF document text
- https://cdn.sqhk.co/xejudawadoni/Figjjp3/36439016808.pdfIn PDF document text
- https://cdn.sqhk.co/zoravuzulop/9iijbhh/best_alarm_clock_app_for_mac.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nefunupu/ost_digimon_butterfly_piano.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/xivigodubavufepuxitapam.pdfIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_9a4b37b87e704ede950659594c7251f3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xonobijikivo/98968146085.pdfIn PDF document text
- https://s3.amazonaws.com/baxunaf/minecraft_pe_island_village_seed_2020.pdfIn PDF document text
- https://s3.amazonaws.com/rijaliwiguvex/jasmine_flower_pics.pdfIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_abe345263f6f4352bb581014ad8d2135.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/takebemanijewok/56850367818.pdfIn PDF document text
- https://cf587a47-7c2f-4f55-8bbb-21a4c73503f7.filesusr.com/ugd/8ea597_75fdf520aaaa44bc805b540b1b352bf1.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_off0000efb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB6 | 5784 bytes |
SHA-256: dbbcb0ea76f4245939200ecad6971d9e49c1f6e625ac4de40c76f575c3cbca4a |
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font_01_sfnt_off00010367.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10367 | 2308 bytes |
SHA-256: eedc268eedc5e175e56de86a037d9349f25f7d28281473ddbb588b06ac5be49a |
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font_02_sfnt_off00010d6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D6D | 11364 bytes |
SHA-256: 183cc901e5b6be53e556c27e76bafce78a1c0f786813fdc13bf84e48b124b059 |
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