MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://mezovuduw.ru/strik?utm_term=how+to+replace+water+filter+in+keurig PDF link annotation
- https://cdn.sqhk.co/budajawisore/QQUahev/screen_recorder_pro_apk_2020.pdfIn PDF document text
- https://cdn.sqhk.co/tavikebepo/YLuNRRM/digital_clock_face_generator.pdfIn PDF document text
- https://debuvubuni.weebly.com/uploads/1/3/4/8/134846467/8637133.pdfIn PDF document text
- http://tufinanegonaj.medianewsonline.com/xonupakobularelazifovagi.pdfIn PDF document text
- http://siwivelijutore.medianewsonline.com/5213402183.pdfIn PDF document text
- http://palopepidek.mypressonline.com/sybsc_it_syllabus_mumbai_university.pdfIn PDF document text
- http://medazuxa.mywebcommunity.org/how_do_i_knit_socks_on_a_loom.pdfIn PDF document text
- https://cdn.sqhk.co/silutoge/issgfhh/960568912.pdfIn PDF document text
- https://kowokilu.weebly.com/uploads/1/3/0/7/130740572/fokirutezid_xuxabaravokitab_dagujas.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://59af73f0-4134-4839-87a1-08fb2e8aa53b.filesusr.com/ugd/e3c460_6a24523d3ef34bfa93f65005775d42f6.pdf?index=trueIn PDF document text
- https://9cf5cc10-3c2e-4e30-ae6b-73ed7beed88a.filesusr.com/ugd/5c2b46_c7e25f1ad8c24d9cae4a062e141ceb72.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0a7b1451-f8bf-4146-b180-b5c6e47003af/mimegadekorewamufixexu.pdfIn PDF document text
- https://s3.amazonaws.com/zumomasugipeno/60808338217.pdfIn PDF document text
- https://43e3b293-20b6-4b74-9f7d-0eefffb4d2df.filesusr.com/ugd/11595e_6ce97a662df24ee3b19a28b9ae5ac1c0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/76de5fe3-c3bb-4a87-8185-bf97811d90d3/5190006963.pdfIn PDF document text
- https://5a2ada08-5b6c-402a-b0df-3636415b461e.filesusr.com/ugd/434ae6_888a0a0cd80c496ca9024456f976d985.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gumegulaxi/city_mini_gt2_weight_limit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca812c68-a8f9-4757-bd0d-da2e3bcbca9e/zovosojagawigirenotedi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6c3845e-2e62-4144-a8bf-7b2b69c85ace/kutopiz.pdfIn PDF document text
- https://801a9f91-e12c-4b3a-b535-42c3eaff61c8.filesusr.com/ugd/d237ef_c398b43e615e4364bef2796abb6593d6.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_off0001085b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1085B | 5004 bytes |
SHA-256: 08c4d522ab4702f02896f7d7765b33224d887569ca4c4e8e7de764ac3c840ddb |
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font_01_sfnt_off00011982.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11982 | 10892 bytes |
SHA-256: 4520e43f9e8059e04ae87feba9a9b31b404408a510b673dd927557e4b3e55c9a |
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font_02_sfnt_off00013e7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E7B | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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