Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c1d4c172ea80a7e…

MALICIOUS

PDF

63.8 KB Created: 2020-08-14 19:36:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89f5a2eed171cbf97c549cd87e80057a SHA-1: 597e51fbcb0eb7df4e754e481e9bf624711f2bc3 SHA-256: 2c1d4c172ea80a7eb6b659c0a68745af8b750d8b08c2df553a14c6d55a2f7aa8
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised as a document analysis. This suggests a phishing attempt to redirect the user to malicious content. The file also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm techniques used to obscure malicious intent. 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/wb?keyword=analysis%20of%20grinding%20process%20pdf
    • http://files.mtwcare.org/uploads/1/3/0/8/130874317/7255374.pdf
    • http://files.chrislewisjonesartist.com/uploads/1/3/1/3/131384573/78ae51ecae8db.pdf
    • http://files.globaltransgroup.com/uploads/1/3/1/4/131438641/7fba4d9e.pdf
    • http://majeg.beyondshipsart.com/uploads/1/3/1/8/131871721/pojotuwosud.pdf
    • https://cdn.shopify.com/s/files/1/0438/6055/7974/files/kyocera_duraforce_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/8283/2280/files/figepaxomidotavanamamome.pdf
    • https://cdn.shopify.com/s/files/1/0428/9455/7350/files/53173314116.pdf
    • https://cdn.shopify.com/s/files/1/0434/0681/9477/files/6708292435.pdf
    • https://cdn.shopify.com/s/files/1/0447/1295/1961/files/chiang_rai_map.pdf
    • https://cdn.shopify.com/s/files/1/0434/9257/3334/files/jijege.pdf
    • https://cdn.shopify.com/s/files/1/0432/4396/2532/files/cpwd_specification.pdf
    • https://cdn.shopify.com/s/files/1/0435/1646/1211/files/80123070766.pdf
    • https://cdn.shopify.com/s/files/1/0431/3153/5509/files/zuginerovizijadupuvutixip.pdf
    • https://cdn.shopify.com/s/files/1/0433/8342/3126/files/vasumukajebati.pdf
    • https://cdn.shopify.com/s/files/1/0433/2634/1272/files/tegawitepidefapobopon.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_off0000bcbd.bin
1dbdd999d6b3e922c681ac0600311325e4d577827b2489b0e9d48f5aac12e93e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBCBD 5416 bytes
font_01_sfnt_off0000cf39.bin
f40a574ac6c8077272eb9306b382d5f5c600c94f703a1e5b70c37646f465e9f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCF39 10280 bytes

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