MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://soxebez.ru/strik?utm_term=the+paper+menagerie+by+ken+liu+summary', is likely part of this scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://soxebez.ru/strik?utm_term=the+paper+menagerie+by+ken+liu+summary PDF link annotation
- http://razepatonubil.22web.org/wutogak.pdfIn PDF document text
- https://komimarokobak.weebly.com/uploads/1/3/4/6/134604519/4516572.pdfIn PDF document text
- https://kumazazunanij.weebly.com/uploads/1/3/4/6/134622964/9203630.pdfIn PDF document text
- https://fubexomufepa.weebly.com/uploads/1/3/4/8/134850999/vimusilimorudi-ruborotabudi.pdfIn PDF document text
- https://jipotawa.weebly.com/uploads/1/3/6/0/136097183/87fcf9fb33d549.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
- http://seterawexasubo.epizy.com/remove_watermark_foxit_editor.pdfIn PDF document text
- http://xorifexudizig.rf.gd/70192302876.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1917105-3f98-49d2-b36e-cc6eeda60986/45909355135.pdfIn PDF document text
- https://s3.amazonaws.com/roware/94477224837.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0556b0b8-6b50-4202-ae42-a635fbb35365/27471022770.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54a46ee8-88c8-4628-9a39-bab2b4b034d2/81687065880.pdfIn PDF document text
- https://s3.amazonaws.com/rojalexipokadaz/38228763108.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dad913f8-b111-4305-b08f-294394ae2a36/wukaxeras.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5369833-8d06-4937-ada5-d92f77c249f5/the_right_triangle_trigonometric_ratios_worksheet_answer_key.pdfIn PDF document text
- https://s3.amazonaws.com/dedinavesute/examining_number_sets_word_answer_key.pdfIn PDF document text
- http://xofiketur.rf.gd/lagu_avenged_sevenfold_afterlife_acoustic.pdfIn PDF document text
- https://s3.amazonaws.com/bubeto/zesafexudoguwogomomexezul.pdfIn PDF document text
- https://s3.amazonaws.com/jeromisixinolib/egyptian_cotton_sheets_lawsuit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77952691-130f-4ecb-96bb-d06740bb7900/roland_spd_sx_vs_spd_sx_special_edition.pdfIn PDF document text
- http://menepanago.rf.gd/football_manager_2016_wonderkids_for_lower_leagues.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67ca16f7-3d13-4fd4-aca2-e8a4a4b7adfc/100_sat_words.pdfIn PDF document text
- https://s3.amazonaws.com/vefagotoje/star_map_northern_hemisphere_december_2020.pdfIn PDF document text
- https://s3.amazonaws.com/lofese/human_alimentary_canal_diagram.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DE | 5180 bytes |
SHA-256: 0568b071fecacfefa41ca31cc8037e709346baaad9c60eecf85d8a74bc3af65e |
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font_01_sfnt_off0001024d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1024D | 12644 bytes |
SHA-256: 33a4de8453334204da4b1b38d97656b79598032533350a3eb58ef935bde94699 |
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font_02_sfnt_off00012995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12995 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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