Malicious PDF — malware analysis report

Static analysis result for SHA-256 29eaf60a195792d0…

MALICIOUS

PDF

72.6 KB Created: 2021-03-07 19:59:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: dfad2b0508fda6d0793e8cf908108aac SHA-1: 340de9cf4b513b8619aadf71ae6ed749ee495c8a SHA-256: 29eaf60a195792d00c3069dde45fb6fe9fccb5764cdd074e6b65152daa488d23
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • 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://druttle.ru/award?keyword=can+you+really+make+someone+fall+in+love+with+you PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4451941/normal_5fe0415fbd2a6.pdfIn PDF document text
    • https://cdn.sqhk.co/jirudumom/gfH3heX/wine_and_water_glasses_go_when_setting_table.pdfIn PDF document text
    • https://vovinusowoxojik.weebly.com/uploads/1/3/4/3/134349833/dipudevimof_romagewebevu.pdfIn PDF document text
    • https://cdn.sqhk.co/lerapuraroke/ief6FZ6/vewavovek.pdfIn PDF document text
    • http://lujadexezusunam.22web.org/pofepabakitise.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388050/normal_60310675cab5c.pdfIn PDF document text
    • https://poxovoxi.weebly.com/uploads/1/3/5/3/135398301/jipubojerijolefon.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485157/normal_5fe769cb3c51a.pdfIn PDF document text
    • https://segukikiregitep.weebly.com/uploads/1/3/1/8/131856439/zipogilil-jixoxow-tosubijofi.pdfIn PDF document text
    • https://mezinetoxapim.weebly.com/uploads/1/3/4/8/134887379/nulasoti.pdfIn PDF document text
    • https://gobajirosalafos.weebly.com/uploads/1/3/5/3/135392744/lunatizinogepijifa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://dc273c12-e125-4738-b2e6-b96bc4bd5eb7.filesusr.com/ugd/c8df25_6be482b4310a42c09c50884cca5b9235.pdf?index=trueIn PDF document text
    • http://rubijisezet.epizy.com/motagovudede.pdfIn PDF document text
    • https://71b4061d-0fbe-47a8-a671-08758978b022.filesusr.com/ugd/0216f2_bb262966c0fb4a6e986c5ff6fadf67b5.pdf?index=trueIn PDF document text
    • https://39ad70c8-6a03-4de2-a89b-b0209cba5754.filesusr.com/ugd/d2759c_e4b1eff0eeb4471fbb4352b8987a8d31.pdf?index=trueIn PDF document text
    • http://fobuzepiru.epizy.com/puneroxisog.pdfIn PDF document text
    • https://4e4301d6-cc9a-4939-960a-6b497c1efea6.filesusr.com/ugd/d78803_651b468b323947909a4ecadd888fffcf.pdf?index=trueIn PDF document text
    • https://b9eb3541-094c-4606-b101-17c2291fd6e1.filesusr.com/ugd/a18601_9ffc8e2512fe454fba5890180021faf4.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e0b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0B5 5232 bytes
SHA-256: 4b1f95aed05a2121500d55a8799f7d97d338a417e988b3aa9c4487c622aa0836
font_01_sfnt_off0000f26f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF26F 10160 bytes
SHA-256: ee51c9254380ff5f171efababd26d4e8f945603b495604492c4c5ad540bde439

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