Malicious PDF — malware analysis report

Static analysis result for SHA-256 26060af5e9c55768…

MALICIOUS

PDF

68.2 KB Created: 2021-03-04 19:59:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: fbb705e716830568ae7d097c7f97f206 SHA-1: b2415033b04c6cd5ff3ad54b54f978b657f50ac5 SHA-256: 26060af5e9c557687e83b7913cf89e40c11a3868d05c6a9ce1c8bc7ab819ab45
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://ponafet.ru/award?keyword=lonely+planet+ebook+usa+planning+map PDF link annotation
    • http://nigoguno.scienceontheweb.net/how_to_learn_trading_in_indian_stock_market.pdfIn PDF document text
    • https://betetitowuti.weebly.com/uploads/1/3/4/3/134331261/fifuzeg_gaxipunimurorit.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501980/normal_6017f7f2a4254.pdfIn PDF document text
    • https://gifimebanu.weebly.com/uploads/1/3/5/3/135306234/560490.pdfIn PDF document text
    • https://vobanugan.weebly.com/uploads/1/3/5/3/135340106/176b24.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475571/normal_5ff8ae38a2d16.pdfIn PDF document text
    • https://waxevinibiwe.weebly.com/uploads/1/3/0/9/130969944/4e8bd632.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484812/normal_5fd090747e818.pdfIn PDF document text
    • https://bafijesepuj.weebly.com/uploads/1/3/4/0/134041147/sixupe.pdfIn PDF document text
    • http://mumijivamivaxij.medianewsonline.com/76508307258.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kotutuf.epizy.com/how_to_set_la_crosse_atomic_alarm_clock.pdfIn PDF document text
    • http://fozilixugijuva.epizy.com/adobe_photoshop_apk_for_windows_10.pdfIn PDF document text
    • https://ebbb41b5-b8b7-4bfc-9e1b-23e79ad93844.filesusr.com/ugd/5eba67_44894976ca4346918c2e10851c407160.pdf?index=trueIn PDF document text
    • https://fd7a53fe-11c1-4e60-83ad-ac1bb997268f.filesusr.com/ugd/5cf23b_d0c5da5218f14fd5bd229d45973eb0e5.pdf?index=trueIn PDF document text
    • http://zeraginijumeje.epizy.com/zixomutuwowa.pdfIn PDF document text
    • http://latujetob.epizy.com/dafabirites.pdfIn PDF document text
    • https://60f6da8c-824c-4163-aae9-6195f2ac7ed4.filesusr.com/ugd/7f16bd_c8dd51fc2ca84ad48f1fc7063e5b7990.pdf?index=trueIn PDF document text
    • http://todugiremo.epizy.com/contact_list_template_google_docs.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_off0000cdb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDB3 5288 bytes
SHA-256: 2ee9c121a8c8c3941292037ef459aa5ec5b4eac026af1214d73a39d29f8e9280
font_01_sfnt_off0000dfb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFB2 10356 bytes
SHA-256: fe5605a9b630f459015ebf9d4cde1832e2aae56825f108e8f1d6ad8143d82d2f

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