Malicious PDF — malware analysis report

Static analysis result for SHA-256 f010afcc4f4599f4…

MALICIOUS

PDF

45.3 KB Created: 2020-08-21 14:52:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 963b72d56a22c00f4dd545d02f929b75 SHA-1: 0b6e6a1c861696ec35302f6e5811b408cf9e539f SHA-256: f010afcc4f4599f401774801839af577ac0adf229e5c1678611629673d251f60
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains a reference to the same malicious URL. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content through seemingly legitimate platforms. The primary attack vector appears to be social engineering via a deceptive link.

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=what+is+formal+analysis+in+art
    • http://files.sgionet.com/uploads/1/3/1/1/131164132/livefitava-wogekaseset.pdf
    • https://cdn.shopify.com/s/files/1/0432/2335/1458/files/accident_report_form_texas.pdf
    • https://cdn.shopify.com/s/files/1/0437/0015/8629/files/storytelling_with_data_book.pdf
    • https://cdn.shopify.com/s/files/1/0436/4143/8366/files/nevawubumareditizafololod.pdf
    • https://cdn.shopify.com/s/files/1/0432/8180/9563/files/64544778897.pdf
    • https://cdn.shopify.com/s/files/1/0432/8462/7624/files/speaking_in_tongues_gloria_anzaldua.pdf
    • https://cdn.shopify.com/s/files/1/0435/4487/1063/files/apa_citation_guide_article.pdf
    • https://cdn.shopify.com/s/files/1/0437/0454/9531/files/command_and_conquer_3_cheats.pdf
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/rewukoramawajulababap.pdf
    • https://cdn.shopify.com/s/files/1/0430/8336/6551/files/63706745521.pdf
    • https://cdn.shopify.com/s/files/1/0434/0498/4483/files/zexuganejemifedota.pdf
    • https://cdn.shopify.com/s/files/1/0429/4190/7110/files/wifafejobosimibogori.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96989945255.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e06.bin
bfd252d0e457fbd9a6f8e4518674e5cdf9c120c8fddbf2531d96eb549547e9bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E06 4792 bytes
font_01_sfnt_off00006e22.bin
c34f2ecbadd23ea5356be91aa556fb4df9b395f22589b684d9da63f77beeeb5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E22 14224 bytes
font_02_sfnt_off00009a81.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A81 4324 bytes

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