Malicious PDF — malware analysis report

Static analysis result for SHA-256 abc147491d4ce7c6…

MALICIOUS

PDF

69.8 KB Created: 2021-02-12 01:39:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 826fdcde158934f1f7afe1c44f99e875 SHA-1: 37c06d9dcc551ea9ad499efdcdab26496c56ee17 SHA-256: abc147491d4ce7c6bd9874fe770d999b81ec5cb7402abb9981aa5a6c7f05e7b8
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://jottigo.ru/wix?keyword=nest+camera+instruction+manual PDF link annotation
    • https://wefidabewurar.weebly.com/uploads/1/3/1/1/131164485/metikujorede-lubeli.pdfIn PDF document text
    • https://zoradelageruwol.weebly.com/uploads/1/3/4/5/134591251/7691784.pdfIn PDF document text
    • https://pebawatiwokup.weebly.com/uploads/1/3/4/5/134576243/3011536.pdfIn PDF document text
    • https://nosuzodudoj.weebly.com/uploads/1/3/4/5/134588086/6001028.pdfIn PDF document text
    • http://faceskinagainbeauty.xyz/59370605281jp2l6.pdfIn PDF document text
    • http://krym.today/15946635947aqnqo.pdfIn PDF document text
    • http://photoforce.ru/folsom_prison_blues_solo_sheet_musicl1yth.pdfIn PDF document text
    • https://sogatetemurus.weebly.com/uploads/1/3/4/3/134379625/wejivijixev.pdfIn PDF document text
    • http://urolog.xyz/nitujipetzjbb.pdfIn PDF document text
    • https://gefererasixo.weebly.com/uploads/1/3/4/7/134749514/2924611.pdfIn PDF document text
    • https://nonejekorozu.weebly.com/uploads/1/3/4/1/134108542/6748202.pdfIn PDF document text
    • https://gesogakit.weebly.com/uploads/1/3/4/5/134581759/gilifezotivosito.pdfIn PDF document text
    • http://herss.space/avengers_infinity_war_watch_online_123moviesfxb1s.pdfIn PDF document text
    • https://kasezikibojeg.weebly.com/uploads/1/3/1/8/131871727/4906870.pdfIn PDF document text
    • https://febelozo.weebly.com/uploads/1/3/4/5/134599394/b19afa4336.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/dorobukasawituw/xavawanivinidideraxoribo.pdfIn PDF document text
    • https://s3.amazonaws.com/wusigipufuvowix/factorization_of_polynomials_worksheets.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_off0000d70b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD70B 4916 bytes
SHA-256: 5a8c83f3c6984c3a2d3e2fdb028545b529206a50989db7f1cc3b704f58b5c800
font_01_sfnt_off0000e7ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7AE 10144 bytes
SHA-256: b8f69e3d9edd63705822c27a8d7ee10ee1647c59d3681df7a330620f800ca117

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