Malicious PDF — malware analysis report

Static analysis result for SHA-256 58d21e691fa05bd0…

MALICIOUS

PDF

45.1 KB Created: 2020-08-11 08:41:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 744bb86d465041d7959c517118500f7f SHA-1: d3c937b7d9a3e30f95febc23790aff97fb6ec3ac SHA-256: 58d21e691fa05bd060ad967d3b895a86ce1ceb92987afffced11588cf0ba231f
120 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link pointing to 'ttraff.com'. This indicates a phishing or malicious redirection attempt. The document body, though heavily obfuscated, also contains the same redirector URL, reinforcing its malicious intent. No scripts were extracted, limiting further analysis of the payload delivery mechanism.

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.com/pify?keyword=speak+english+podcast+com+pdf+003
    • http://files.mnjeweler.com/uploads/1/3/1/4/131437740/fomurogoxufirofaliz.pdf
    • http://files.hannahsfitnessandtraining.com/uploads/1/3/1/6/131637108/nunebafiradonilakoka.pdf
    • http://files.quickytrees.com/uploads/1/3/2/8/132814048/topudewejoma.pdf
    • https://cdn.shopify.com/s/files/1/0427/5827/5238/files/39692769068.pdf
    • https://cdn.shopify.com/s/files/1/0433/4449/4750/files/cabinet_minister_of_odisha.pdf
    • https://cdn.shopify.com/s/files/1/0433/0350/1989/files/vikivivemigawixefud.pdf
    • https://cdn.shopify.com/s/files/1/0427/8904/4383/files/ludozibiziwikavuw.pdf
    • https://cdn.shopify.com/s/files/1/0433/8778/1276/files/rofozataw.pdf
    • https://cdn.shopify.com/s/files/1/0430/1016/2837/files/bobamozija.pdf
    • https://cdn.shopify.com/s/files/1/0440/5755/9190/files/15037908729.pdf
    • https://cdn.shopify.com/s/files/1/0437/5940/3157/files/altes_land_drte_hansen.pdf
    • https://cdn.shopify.com/s/files/1/0432/5670/9288/files/binary_addition_subtraction_multiplication_division.pdf
    • https://cdn.shopify.com/s/files/1/0436/0952/2339/files/87818258046.pdf
    • https://cdn.shopify.com/s/files/1/0434/6678/4932/files/10916005375.pdf
    • https://cdn.shopify.com/s/files/1/0432/5978/9472/files/93794280316.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_off000070b3.bin
c4858b8738ccc0a5a04b94db5d6d3cb279fcd3a766c02c471b71ad7b94298a48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70B3 5944 bytes
font_01_sfnt_off000084c6.bin
c90535176cb6d9dc54cfc3a869f9796df0cbc897d27487fed7b560cacaa01063		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84C6 10264 bytes

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