Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a0a40ee4ffe9195…

MALICIOUS

PDF

39.6 KB Created: 2020-08-12 03:58:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53bb1a38345bc7d8c6ed471ecd96da1d SHA-1: ca410bdb84fd079330355c76ef9bc54ebbc05bd1 SHA-256: 2a0a40ee4ffe9195ecd4d869acb9e73d5637e4aaeb6edc725397ea11ddb8cb2a
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with the primary redirector identified as ttraff.com. This indicates a likely phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to 'Pwc circular economy pdf' and the wkhtmltopdf tool, suggesting a lure document. No scripts were extracted, limiting the analysis of direct payload execution.

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=pwc+circular+economy+pdf
    • http://files.selectent.com/uploads/1/3/0/8/130874250/lulomirob_kisurunajalu.pdf
    • http://files.musicforsoho.com/uploads/1/3/1/4/131453455/votogo-zonulelotorujef-mirosaworiwifon-jekateridefuf.pdf
    • http://files.fbcpc.us/uploads/1/3/0/7/130740508/vugezinuba.pdf
    • http://files.creativedancekids.com/uploads/1/3/0/8/130874598/bf00fd.pdf
    • http://files.shekkacomputers.com/uploads/1/3/2/6/132682892/7698172.pdf
    • https://cdn.shopify.com/s/files/1/0431/4791/9522/files/jufuxudoxotunumedomu.pdf
    • https://cdn.shopify.com/s/files/1/0433/3728/5797/files/demole.pdf
    • https://cdn.shopify.com/s/files/1/0433/9967/6060/files/dj_mustard_mixtapes.pdf
    • https://cdn.shopify.com/s/files/1/0432/0739/3435/files/36069390887.pdf
    • https://cdn.shopify.com/s/files/1/0433/7962/2040/files/24694008253.pdf
    • https://cdn.shopify.com/s/files/1/0431/1669/1612/files/country_code_77.pdf
    • https://cdn.shopify.com/s/files/1/0437/7929/3338/files/munanufawazoruzozowifoga.pdf
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/4407746560.pdf
    • https://cdn.shopify.com/s/files/1/0433/1231/6584/files/waperezorodobamajowas.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jakenetukuzalavat.pdf
    • https://cdn.shopify.com/s/files/1/0433/2558/7610/files/fafinabatusaxokawajepu.pdf
    • https://cdn.shopify.com/s/files/1/0436/6820/9817/files/rurimapizokogep.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_off00005e24.bin
0905d97c09c80fb50ca739b9e538d168d22008d80a732aac43cf282208ac3d27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E24 5320 bytes
font_01_sfnt_off00007033.bin
daf59595392751b3e3ccb34e94853f7f03d15f77be1f11f4740f4dcdb25cd84a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7033 9816 bytes

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