Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a516ef1ff16e160…

MALICIOUS

PDF

66.3 KB Created: 2021-04-03 08:45:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 314267411920058ad1a50f43021bea0a SHA-1: 34b1c13c3a223afce2c1ab74480b751dc878e539 SHA-256: 6a516ef1ff16e160d1f70afb6478dfaf02e549c37f733132596cbd97e8032bec
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, specifically identified as Pdf.Phishing.Trojan. The embedded URL 'https://mezovuduw.ru/123?utm_term=attarintiki+daredi+movie++hd' suggests a phishing or malware distribution lure, likely disguised as a movie download. No scripts were extracted, but the PDF structure and embedded URI indicate a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://mezovuduw.ru/123?utm_term=attarintiki+daredi+movie++hd PDF link annotation
    • http://nupewijanetari.medianewsonline.com/tonov.pdfIn PDF document text
    • http://texivej.sportsontheweb.net/zawopa.pdfIn PDF document text
    • http://pogawubujogeje.mypressonline.com/gujepiz.pdfIn PDF document text
    • http://nugowimabu.mywebcommunity.org/livro_arquetipos_helio_couto.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465269/normal_5fca06c3b113b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468274/normal_5fe6bdc005cd3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414491/normal_602d8a4a0ece8.pdfIn PDF document text
    • http://tofoxewesaxizuz.mywebcommunity.org/cbse_syllabus_for_class_6.pdfIn PDF document text
    • http://revilokepudidu.mygamesonline.org/84392422452.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://desovizipelo.onlinewebshop.net/vezipif.pdfIn PDF document text
    • https://s3.amazonaws.com/wudibirewuduto/45849899419.pdfIn PDF document text
    • http://memokikadu.rf.gd/34060672833.pdfIn PDF document text
    • https://s3.amazonaws.com/norozovijalu/how_to_fix_leaking_panasonic_air_conditioner.pdfIn PDF document text
    • http://fesavuvab.epizy.com/ashrae_standard_183.pdfIn PDF document text
    • https://s3.amazonaws.com/saxefi/namokoboge.pdfIn PDF document text
    • http://zonadomafi.rf.gd/wakevukuletukumumo.pdfIn PDF document text
    • https://s3.amazonaws.com/ladojenefe/nourishing_traditions_homemade_baby_formula.pdfIn PDF document text
    • http://kuxemozoxabonag.onlinewebshop.net/56108813470.pdfIn PDF document text
    • https://s3.amazonaws.com/tobobowu/5026256630.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/sheet_metal_gauge_for_ductwork.pdfIn PDF document text
    • http://kupikobu.epizy.com/discipline_and_ideas_in_applied_social_science.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_off0000c86d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC86D 4968 bytes
SHA-256: 83d17c2fadf1abeb714767ad975ee484ad4a1ebe6bcf24aa0ed24909c94f9f1e
font_01_sfnt_off0000d930.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD930 10256 bytes
SHA-256: 998653a5029032ebddf0352cf8721d39d145bbdbcddb9e15f991be82603f6cdd

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