Malicious PDF — malware analysis report

Static analysis result for SHA-256 58be63c700900c7f…

MALICIOUS

PDF

46.4 KB Created: 2020-07-28 13:46:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b0900e4688fcc8e6297817ed3eb4f98 SHA-1: 98747354f77dd796ee91f9fd96ce7b3890876ccc SHA-256: 58be63c700900c7f617fd31f7547d81a2e8a5c50e490f9a5cb3fce5ed1fa2cc0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a 'Chicco keyfit car seat manual', suggesting a lure. The file also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm abuse for traffic redirection.

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=chicco+keyfit+car+seat+manual
    • http://files.drpattyslegacy.org/uploads/1/3/0/9/130969065/vokebigibawev.pdf
    • http://files.parentascoachprogram.com/uploads/1/3/1/3/131379680/jotalozav.pdf
    • http://files.singletree-emporium.com/uploads/1/3/1/4/131452826/lipuf_zusudewulavefiv_tanibixikugate.pdf
    • http://files.labclaes.com/uploads/1/3/0/8/130874583/9185982.pdf
    • https://cdn.shopify.com/s/files/1/0427/7652/7014/files/62354160522.pdf
    • https://cdn.shopify.com/s/files/1/0431/8943/6580/files/zejevunavavopivutamitu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6909/5590/files/68666088739.pdf
    • https://cdn.shopify.com/s/files/1/0432/1404/5341/files/61246450162.pdf
    • https://cdn.shopify.com/s/files/1/0431/5263/8116/files/99859216708.pdf
    • https://cdn.shopify.com/s/files/1/0430/3477/1610/files/razagofinarabatafam.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42778981568.pdf
    • https://cdn.shopify.com/s/files/1/0430/5318/7221/files/gopobewi.pdf
    • https://cdn.shopify.com/s/files/1/0435/3074/8072/files/47102191122.pdf
    • https://cdn.shopify.com/s/files/1/0427/8019/7031/files/95803892378.pdf
    • https://cdn.shopify.com/s/files/1/0430/5806/9655/files/jupugol.pdf
    • https://cdn.shopify.com/s/files/1/0430/6891/5863/files/48582614140.pdf
    • https://cdn.shopify.com/s/files/1/0428/6509/8908/files/gawozeguk.pdf
    • https://cdn.shopify.com/s/files/1/0437/8158/7095/files/32696074452.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_off00007791.bin
32f999f39a14c9c41801e2f7bd33c4276f82690ff8cd79b1a8de698e870570a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7791 5192 bytes
font_01_sfnt_off0000891d.bin
687f307dd620dd721007214374d478c8d51f7c65cac49ee06636b93900f480b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x891D 10296 bytes

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