Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dd509f16570332d…

MALICIOUS

PDF

52.1 KB Created: 2020-08-28 07:39:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4282c442143733a77552b41f24a9fd44 SHA-1: 3ebdf9831b3b910048bdb45275138f1f7952eb3d SHA-256: 1dd509f16570332dcffae16288dd0ad1e0b1f3047c66987040b4de084f0711c9
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, disguised as a camera review. This heuristic, combined with the presence of numerous other external PDF links, indicates a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the lure. No scripts were extracted, and the file type is PDF, suggesting a phishing lure rather than a direct exploit.

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=nikon+d3s+review
    • http://gejuwoxe.saclegalprep.com/uploads/1/3/2/7/132712237/buridulof-nofusavuselazi-fetimowas.pdf
    • http://solilek.addisongraphics.com/uploads/1/3/0/8/130813077/ed308.pdf
    • http://files.americancollectorsusa.com/uploads/1/3/1/3/131384489/xosilolepixijuro.pdf
    • https://cdn.shopify.com/s/files/1/0428/5494/0828/files/sazazikevagok.pdf
    • https://cdn.shopify.com/s/files/1/0432/2725/0848/files/99480787465.pdf
    • https://cdn.shopify.com/s/files/1/0434/8346/3832/files/pebemotebodupevosix.pdf
    • https://cdn.shopify.com/s/files/1/0432/9367/1590/files/82867196600.pdf
    • https://cdn.shopify.com/s/files/1/0433/9875/8563/files/gym_routine_to_lose_weight.pdf
    • https://cdn.shopify.com/s/files/1/0434/8909/9942/files/bowknot_design_platform_espadrille_wedge_sandals.pdf
    • https://cdn.shopify.com/s/files/1/0432/4697/7179/files/guditaxoposasonagi.pdf
    • https://cdn.shopify.com/s/files/1/0429/5147/5351/files/52889513950.pdf
    • https://cdn.shopify.com/s/files/1/0435/2560/3488/files/avengers_full_movie_online_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/5217/9364/files/rarufap.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/
    • https://cdn.shopify.com/s/files/1/0432/9367/1590/files/8286719

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008598.bin
352056111ca895f84278ad28993ed09cb8991bf4a8ad014f2b2d6247e3a5465e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8598 4924 bytes
font_01_sfnt_off0000967b.bin
51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x967B 1800 bytes
font_02_sfnt_off00009f09.bin
f9e0ba28527a4d44c70893456e164749e264f02217ed404d247c5cf4d1b7397f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F09 10644 bytes

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