Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1aba4bc5f3363bf…

MALICIOUS

PDF

68.1 KB Created: 2020-08-07 07:01:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e111165a8b88ecb60b3afc5599ce3f0 SHA-1: def0bc70da53998935a737a47abc65992bc33fa9 SHA-256: d1aba4bc5f3363bfd35980f29f76c85fe5ca36d8b3ea694e60b364b2629142b0
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that points to a redirector service. This suggests the primary intent is to redirect users to malicious sites, likely for phishing or to serve further malware. No scripts were extracted, limiting the analysis of specific execution behaviors.

Heuristics 3

  • 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.
  • 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.cc/pify?keyword=programma+centrodestra+elezioni+2020+pdf
    • http://files.primalqifitness.com/uploads/1/3/1/3/131398457/sebiw_koxuburagiw_torotekesosab.pdf
    • http://powewuvu.menashastrong.com/uploads/1/3/1/8/131856330/2107878.pdf
    • http://files.uniqueherbalcreations.com/uploads/1/3/0/7/130776567/dusage.pdf
    • http://files.issl.space/uploads/1/3/0/7/130776561/vetifijus.pdf
    • https://cdn.shopify.com/s/files/1/0427/8992/9116/files/vuwijupino.pdf
    • https://cdn.shopify.com/s/files/1/0434/5816/6949/files/ensayo_de_escepticismo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93861148098.pdf
    • https://cdn.shopify.com/s/files/1/0434/3057/6278/files/15852062070.pdf
    • https://cdn.shopify.com/s/files/1/0427/8861/8396/files/add_text_to_acrobat_x_pro.pdf
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/ruzekeridalubamikonuf.pdf
    • https://cdn.shopify.com/s/files/1/0434/0531/2154/files/20861282756.pdf
    • https://cdn.shopify.com/s/files/1/0430/7186/4993/files/pofabelede.pdf
    • https://cdn.shopify.com/s/files/1/0434/0177/3212/files/a_level_sociology_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0437/1241/3851/files/dogalonarimolozibelifur.pdf
    • https://cdn.shopify.com/s/files/1/0441/0900/4952/files/48629450571.pdf
    • https://cdn.shopify.com/s/files/1/0434/4014/4534/files/ace_group_fitness_instructor_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/ridulegobakudurorawav.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_off0000be9e.bin
53f676ba21a2559cf5597df813f5fb0226dae74342bcc6dbd9b5574238e6bc7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE9E 5800 bytes
font_01_sfnt_off0000d24f.bin
f2c5ed51d79f234cab70ff002e1773ff78aa7b977992f10596bcdaab8cd7afef		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD24F 15436 bytes

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