Malicious PDF — malware analysis report

Static analysis result for SHA-256 44c14fafce5f1d42…

MALICIOUS

PDF

42.3 KB Created: 2020-08-20 02:06:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b068737f4986f76c4e2c0fd486276ce SHA-1: 47afb00f08f2f9f67ec3231bef595e4f9bf73671 SHA-256: 44c14fafce5f1d421b39490ed54cd0efa9b09b7ea700cbbc4038e011313c66a0
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'bogles sideboard guide 2019' and the malicious URL, suggesting a lure to disguise the malicious intent. The presence of a download button heuristic further supports the idea that the document is designed to trick the user into downloading or navigating to malicious content.

Heuristics 4

  • 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.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://ttraff.com/pify?keyword=bogles+sideboard+guide+2019
    • http://files.jrrobsonathletics.com/uploads/1/3/2/6/132695543/fd1c0.pdf
    • http://fofopojal.holisticvoicecoach.com/uploads/1/3/0/8/130874104/d29e0361554d4b0.pdf
    • http://dakoj.ntu-htfrc.org/uploads/1/3/1/6/131636777/roxil.pdf
    • http://rafivujog.profe-taylor.com/uploads/1/3/1/4/131412181/e0850.pdf
    • https://cdn.shopify.com/s/files/1/0435/4772/1892/files/biotechnology_mcq_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/reragijod.pdf
    • https://cdn.shopify.com/s/files/1/0432/9409/7576/files/anesthesia_machine_parts.pdf
    • https://cdn.shopify.com/s/files/1/0429/6992/3740/files/como_superar_las_barreras_de_la_comunicacion.pdf
    • https://cdn.shopify.com/s/files/1/0437/6769/3474/files/kevanudukokerumaxobozif.pdf
    • https://cdn.shopify.com/s/files/1/0429/5147/5351/files/explain_yourself_in_interview.pdf
    • https://cdn.shopify.com/s/files/1/0434/5197/3799/files/asset_management_framework.pdf
    • https://cdn.shopify.com/s/files/1/0435/1652/6752/files/nica_s_dream_horace_silver_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0437/5976/3617/files/list_of_prefixes_and_suffixes.pdf
    • https://cdn.shopify.com/s/files/1/0465/4383/1198/files/shimla_mirch_full_movie_filmywap.pdf
    • https://cdn.shopify.com/s/files/1/0434/6285/2761/files/twin_platform_bed_with_drawers_solid_wood.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000673c.bin
de68c5e7960d309a2f90397a7cdade30bbae89850eeb6305654522beea458fff
pdf-font-stream PDF embedded font (sfnt) at offset 0x673C 5664 bytes
font_01_sfnt_off00007a8a.bin
14aaf790715754734b2ceb46baa6a7c0fa6f96d98f252db3f9945a09b6ad4cf7
pdf-font-stream PDF embedded font (sfnt) at offset 0x7A8A 10116 bytes