Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d64f3a7fb9a79f3…

MALICIOUS

PDF

67.2 KB Created: 2020-12-17 10:17:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 9c22d22c9e9c5eeb874d7491fc002e33 SHA-1: d47c64d5028e5869fb8a603148cf55c862e0fdfd SHA-256: 5d64f3a7fb9a79f31a85ec69633cda5c16c3ae206a0139d7a2ca23d542a2746b
156 Risk Score

Malware Insights

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

This PDF file exhibits characteristics of a link farm or phishing lure, as indicated by the 'PDF_SEO_LINK_FARM' heuristic firing and the presence of numerous external URLs. The primary malicious URL identified is 'https://traffset.ru/123?utm_term=hard+to+kill+2020'. While no scripts were explicitly extracted, the PDF structure and the high number of embedded links suggest an attempt to redirect users to potentially malicious content, aligning with spearphishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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://traffset.ru/123?utm_term=hard+to+kill+2020 PDF link annotation
    • https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/kuforamuwizuxewupu.pdfIn PDF document text
    • https://lexawuvake.weebly.com/uploads/1/3/4/6/134610488/gekowaz.pdfIn PDF document text
    • https://fufijejelido.weebly.com/uploads/1/3/4/3/134351462/3df9fcf9d0057ca.pdfIn PDF document text
    • https://burigazipe.weebly.com/uploads/1/3/4/7/134764527/baxefovijifiva.pdfIn PDF document text
    • https://bizevino.weebly.com/uploads/1/3/4/3/134320064/mavusujebo-tosiwutufazuden-fewasovenoruf-dobapofero.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/xaliwalufoguni/multiview_drawing_definition_engineering.pdfIn PDF document text
    • https://s3.amazonaws.com/lomogas/26560232944.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc002d40b6b03258f30bf3d/t/5fc159adeaf37e3b64ce83c5/1606506925866/68319980553.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0dbcbbf71053ccb0ffb78/t/5fc66b473485235c86a374ba/1606839113261/battlefield._com_ru-_ru_companion_career.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1407d8787e879896e58f6/t/5fd02f9f3bcf75077a79e357/1607479199810/digi_e_shopee_adv_private_limited.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fce1696e1a8af6ff4af5542/t/5fd74f655488895576c8694f/1607946086292/xijoxepit.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e2b72bbd740658066ec4/t/5fcdeaf51e1a4d7de14de22f/1607330563041/furniture_commands_for_minecraft_pe.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc07d836b97992eb55a0df7/t/5fc2f32ca97599144e5992d0/1606611758088/24_inch_over_the_range_microwave_for_rv.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e99a0a2757459be2ef6a/t/5fc15b289b1ed035380e983f/1606507308029/deft_wood_stains.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe037df81c9a2a0c68e210/1606288253616/one_sample_t-test_in_r.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fcee29a058d4a6a57b84ec8/t/5fd654ab313c42342b8b10eb/1607881901781/94800462201.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c026.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC026 4504 bytes
SHA-256: 180b6e6796c07845df98fa0f93e1c354376d06f917cef5919f0d67ec0dd855db
font_01_sfnt_off0000cf70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF70 9992 bytes
SHA-256: 8abcfcd48965587100c2077e79b55aae1994238f6fdc48f9f676f246e0a04cf1
font_02_sfnt_off0000f1bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1BB 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

Open this report in the interactive analyzer, or submit your own file for analysis.