Malicious PDF — malware analysis report

Static analysis result for SHA-256 a206d1ce60936f7a…

MALICIOUS

PDF

69.1 KB Created: 2021-05-28 20:57:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: c2c94fd4ab9d1f289722fbd95dbe6449 SHA-1: e5316c8dce591285bbf4a6e7d946468fdf3bdf5c SHA-256: a206d1ce60936f7aa005d24b77a638986bd367673977d28158cb993f92f04b84
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The PDF's structure and embedded content suggest it's designed to trick users into visiting the malicious link, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://lozipotod.ru/strik?utm_term=why+did+islam+spread+so+quickly+dbq+answer+key+document+a PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4459182/normal_606dce3c2b13b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420745/normal_60462cce4dd65.pdfIn PDF document text
    • https://zimatesuti.weebly.com/uploads/1/3/0/8/130873828/buwajezese_mivulu_kivevaf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450259/normal_602953ad7184a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378619/normal_601850d8296ef.pdfIn PDF document text
    • https://jetezoxow.weebly.com/uploads/1/3/1/3/131379231/xufefatatogax.pdfIn PDF document text
    • https://ravojinukof.weebly.com/uploads/1/3/4/4/134476618/sadozapi-wotuxe-fodexurorobeve-jixezopazon.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490949/normal_5fda7a7ea3abb.pdfIn PDF document text
    • https://nagejezesalu.weebly.com/uploads/1/3/0/8/130874580/fevemubewibo-nopazawabegi-zunepegusazabud.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387420/normal_602d8889ab541.pdfIn PDF document text
    • https://xagatozemeladab.weebly.com/uploads/1/3/1/4/131406701/vowoj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412181/normal_6007f0151f2f0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418557/normal_6006a05584b69.pdfIn PDF document text
    • https://xukutejupu.weebly.com/uploads/1/3/4/4/134487517/8399992.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/843dd1ca-ebe6-40c8-a81f-fe5a9046a930/62842204860.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c934798-c0cc-4865-b3e3-d0cb4613293b/maus_by_art_spiegelman_characters.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3ab20b90-a0fc-4a22-bbeb-d3e7f25f07c2/how_to_be_a_pimp_in_gta_san_andreas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ab973c9-19fb-41fc-bcd3-471445b1fd08/40561586997.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70bb9cd1-eb0b-4408-88c6-c6c7e7268af0/27804663471.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.

FilenameKindSourceSize
font_00_sfnt_off0000cd02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD02 5852 bytes
SHA-256: 1a02a5aba3ebf0aed99b712bdff79cc2893f69185ae332aba4fe1848d4932b7d
font_01_sfnt_off0000e0d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D7 10744 bytes
SHA-256: a07a96634050b6b9dccd2bf6a7dfa20f1ec2fd426c9fc1e957e42a5e4c584716

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