Malicious PDF — malware analysis report

Static analysis result for SHA-256 71601c560fb86152…

MALICIOUS

PDF

71.2 KB Created: 2021-02-22 10:30:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 000d2e3aa0a2945e6f08009d0491c348 SHA-1: d8841fdc875205d29c8c3525add6143c19200326 SHA-256: 71601c560fb861527497c7cc557b8b459d6930d3ef3af0a377eb4d23995d7e7d
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/wix?keyword=musical.ly+followers+generator PDF link annotation
    • https://sevafigetof.weebly.com/uploads/1/3/4/9/134902911/nakaxegojatejinovali.pdfIn PDF document text
    • https://tixovokibena.weebly.com/uploads/1/3/4/1/134109053/f11683b84ce.pdfIn PDF document text
    • https://doxuxipineza.weebly.com/uploads/1/3/0/7/130740192/aa6b5ac8.pdfIn PDF document text
    • https://lipamonevarila.weebly.com/uploads/1/3/1/4/131453989/3422699.pdfIn PDF document text
    • https://neriguzoxivefu.weebly.com/uploads/1/3/5/3/135319498/2445979.pdfIn PDF document text
    • https://kixajunurepe.weebly.com/uploads/1/3/1/4/131406563/jigubufelalus-dukopivireb.pdfIn PDF document text
    • https://xugubevowasisof.weebly.com/uploads/1/3/4/8/134885616/movixaner.pdfIn PDF document text
    • https://nurosizakudagag.weebly.com/uploads/1/3/4/6/134699554/e00f801e50f1bc.pdfIn PDF document text
    • https://judaromoperojog.weebly.com/uploads/1/3/2/6/132681758/wexuxi.pdfIn PDF document text
    • https://neritakewu.weebly.com/uploads/1/3/1/8/131856632/a97db2b00e38498.pdfIn PDF document text
    • https://vomuribo.weebly.com/uploads/1/3/1/6/131607062/1d38078189bb3.pdfIn PDF document text
    • https://lolivifi.weebly.com/uploads/1/3/0/7/130739590/6200778.pdfIn PDF document text
    • https://fidojosamesevuf.weebly.com/uploads/1/3/4/5/134594598/faxofabidubafav-mujawidixofibud.pdfIn PDF document text
    • https://begagezegitajaj.weebly.com/uploads/1/3/1/3/131398046/e88f7c03a6e2.pdfIn PDF document text
    • https://tujulita.weebly.com/uploads/1/3/4/6/134687611/fugise-vusoradubejir.pdfIn PDF document text
    • https://xiwajuropoji.weebly.com/uploads/1/3/4/3/134371127/furodefixutibaf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rovujanoro.epizy.com/bts_run_ep_87_eng_sub.pdfIn PDF document text
    • https://s3.amazonaws.com/dowadotiju/piragefowojagimaxesis.pdfIn PDF document text
    • http://sejokuze.rf.gd/72933922510.pdfIn PDF document text
    • https://s3.amazonaws.com/sukedil/naxedujisowi.pdfIn PDF document text
    • https://s3.amazonaws.com/vabemavuputenif/arial_rounded_font_free_mac.pdfIn PDF document text
    • http://zividovapajawuv.epizy.com/empower_a2_elementary_workbook_with_answers.pdfIn PDF document text
    • http://getrealmusicallyfollowersfree.blogspot.com/HowIn 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_off0000d965.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD965 5280 bytes
SHA-256: f62858c6c867f17bf5e8cf964fe8032e3241480a865a251ea1eff84d54afbfa0
font_01_sfnt_off0000eb96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB96 10412 bytes
SHA-256: 7c35ba114c345d8a0ec86481c9c5d6c26dc126db7f2bbdff026c0ff6a50d310c

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