Malicious PDF — malware analysis report

Static analysis result for SHA-256 9061ab93f4687ebe…

MALICIOUS

PDF

65.9 KB Created: 2020-12-16 23:02:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: fd6af72db8bb00962e2e5bffd6579d62 SHA-1: 1d4e52bbda9b5606033228fe1c9c1adec3d5a2e7 SHA-256: 9061ab93f4687ebeb730c428e744a810c7555a733ccac809e906bfadd99bc25c
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://traffmen.ru/strik?utm_term=shotgun+flashlight+mount+academy' is the primary indicator of malicious intent. While no scripts were extracted, the PDF structure and the malicious URL strongly suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffmen.ru/strik?utm_term=shotgun+flashlight+mount+academy In PDF document text
    • https://static.s123-cdn-static.com/uploads/4369653/normal_5fcd8fab6497f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366354/normal_5fd6685344e84.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377100/normal_5fa001aec9940.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc0d4a28139af037644e7e6/t/5fc292f418e72e5fdb2b6dc0/1606587125204/twenty_dollar_tie_address.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5a1731c8c74131452292d/t/5fd1baa88ba64b78df54a86e/1607580329211/befagisisebidodizo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc64f3160f2895dc10cb146/t/5fd081e1fc93c51d16e02573/1607500257943/31844923048.pdfIn PDF document text
    • https://s3.amazonaws.com/vuzufexarevima/59674467179.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc77d6af59f035d0ccd659c/t/5fcb04509d29b56e4dfa95fd/1607140433657/maluvusafijo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc560a817e720264007f80c/t/5fd66d2c13a48350e813e1c8/1607888172967/application_carnet_de_voyage_android.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0d35cb8467722f1d3edf7/t/5fc7de7ae67fb654ad72cda3/1606934138609/gomubikekepavagujil.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/fobisukej.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc548dcd26ff1194f90dc53/t/5fd6ecac154d72787100640e/1607920819408/46877751157.pdfIn PDF document text
    • https://s3.amazonaws.com/galinikagopit/gusano_barrenador_del_ganado.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf616c18e72e5fdbcf89da/1606377837002/pamibip.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_off0000c412.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC412 5544 bytes
SHA-256: c6960cbf048efb90491c1f44632bed5eadc19d837afb9bd1ee1e92b6a615f8fa
font_01_sfnt_off0000d6d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6D8 10536 bytes
SHA-256: c58f09621c7ebf2d50bfce9280325fd0d027d9e0637d8e96f4d1c90857dcf4c6

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