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 0.9993
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://krisoc.ru/pbw?utm_term=microsoft+visio+2013+product+key+crack PDF link annotation
- https://cdn-cms.f-static.net/uploads/4494893/normal_6049a61608d1d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386605/normal_603b9d637abb2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491451/normal_60c1251824d1f.pdfIn PDF document text
- https://topuzuxet.weebly.com/uploads/1/3/0/7/130739133/fupikejazozonisok.pdfIn PDF document text
- https://xelokadidato.weebly.com/uploads/1/3/3/9/133986733/3779691a5.pdfIn PDF document text
- https://fawewetipe.weebly.com/uploads/1/3/1/3/131379545/7050669.pdfIn PDF document text
- https://muwevowaxa.weebly.com/uploads/1/3/5/9/135992822/webatibora_kutodexokiwati_wesezumadasosuj_sesodifibib.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482645/normal_605fc17bdf173.pdfIn PDF document text
- https://gavibokilixebil.weebly.com/uploads/1/3/4/7/134716725/migaduketu-raropobajamar-vosigojumabo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/db0ab7fd-8fe2-4dde-805f-dcc1b29ec714/31832523875.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9db40f7b-022e-4218-bf17-63815d8a3820/24196895346.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d206ede-804d-4249-b01b-e935d7e4c2d2/78794413859.pdfIn PDF document text
- http://bezawagiga.pbworks.com/w/file/fetch/144561372/english_comprehension_worksheets_for_grade_7_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14f2dbb4-5b8a-4b26-a16b-dab7a85b2a8f/ziduwesi.pdfIn PDF document text
- http://numefen.pbworks.com/f/elements_of_petroleum_geology_3rd_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bcdb2241-6940-40d5-a958-cc30dfb4de41/84489468722.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82d36fc8-5c67-477b-8af7-6e30af84c9b1/95892157748.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4622657-5996-460f-a540-9ecd41a5bcac/jagibaxapekuzuxozuporago.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8cd4f0c-d6ed-41fd-89dc-711c105c6675/the_discovery_of_penicillin_worksheet_answers.pdfIn PDF document text
- http://wigonewakil.pbworks.com/f/doki_doki_literature_club_yuri_fanart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b92054e5-b35c-4327-a00c-800a6c7af2cb/56576697291.pdfIn PDF document text
- http://nerobedevu.pbworks.com/w/file/fetch/145038933/3632198026.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e4f7de5-2fa7-4682-baf1-157cf4aa1bed/kaossilator_pro_save_to_sd_card.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33f2fd0c-5452-40d6-b66c-f3c6aad6b5be/gulikif.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA3 | 5840 bytes |
SHA-256: 6e6eb29973e5e1ccd50fd1acb8a724fa48217e6af228254120f53b6b1e81e2d1 |
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font_01_sfnt_off000111b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B6 | 10940 bytes |
SHA-256: d9c66e7137d1d62632cdf06b0265ae1a2544c8d59f7b737273c152858ca2d547 |
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