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-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://krisoc.ru/pbw?utm_term=where+we+can+use+would PDF link annotation
- https://tagarimoruta.weebly.com/uploads/1/3/4/3/134320697/fopovakaz_suramaropewariw_nujovu_patirikuku.pdfIn PDF document text
- https://nigipesifagezeb.weebly.com/uploads/1/3/1/4/131411762/2794981.pdfIn PDF document text
- https://katolafafesol.weebly.com/uploads/1/3/4/4/134479470/jozosufekuwivokoni.pdfIn PDF document text
- https://revikavebizuxev.weebly.com/uploads/1/3/4/3/134383550/41fd74d.pdfIn PDF document text
- https://xiwaxodo.weebly.com/uploads/1/3/4/3/134319271/6e683c95.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/d67a579a-672c-455b-8819-8a6e9276044b/87962044462.pdfIn PDF document text
- http://zawepiko.pbworks.com/f/50693264500.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c5b8149-22c2-42eb-9da0-1681a04dff60/62430522942.pdfIn PDF document text
- http://jesababa.pbworks.com/f/81403235696.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3ed16b4-b16d-4963-8ccd-0ddf102d4d53/34841516452.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/063836dd-4ec9-4107-90b5-76c253e02441/is_there_an_app_for_a_game_anything_like_the_new_york_timess_spelling_bee.pdfIn PDF document text
- http://febevolojezu.pbworks.com/w/file/fetch/144994731/since_you_ve_been_gone_book_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cee5f2c7-0e76-42be-9bee-58e8c87ee2c9/homework_pass_template.pdfIn PDF document text
- http://dowiginade.pbworks.com/f/bafojetarisivo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d69b6f8-099e-4eee-84ad-29ca331c9428/33816843681.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7d48d6f-5c5d-4f09-b675-5e7dace3748a/sherlock_holmes_volume_1_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bfe17c0e-54f5-4ee6-8944-d260b09547a7/craftsman_self_propelled_push_mower_wheels.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de93ecfb-3bde-4271-9590-1e4240d9691d/wotimefoguparin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4324a3fd-5836-4b66-b543-1f8be25bcdad/xanafiwuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc7656ad-576f-4827-93ee-b450275d94a7/seth_klarman_letter_to_investors.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bb39119-0ddb-4c09-bdeb-94ced24826e7/49466887770.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_off0000de23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE23 | 5132 bytes |
SHA-256: 997f666582d97138b13a208185e7a40097c6b7fdca8cce67c819ffd6aeaf18c8 |
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font_01_sfnt_off0000efa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA7 | 10392 bytes |
SHA-256: e8d4da10e4e7ef0569221e81b0f4ebad4cd99603325069e31c5c36fc6199a989 |
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