Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e6fcf547a4bfcf8…

MALICIOUS

PDF

38.1 KB Created: 2020-08-26 03:32:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aefe4fc10adae68597497852e1397137 SHA-1: 6ea67f86389f73d89c234b9ee67fda37069d32b4 SHA-256: 1e6fcf547a4bfcf853beca150e2a4f471068579dd546bd4138b01891d4887cc1
150 Risk Score

Malware Insights

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

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The embedded URL 'https://ttraff.ru/pify?keyword=colossal+collection+of+action+poses' is identified as a malicious redirector. The document body, though partially corrupted, contains this URL and other embedded links pointing to various domains, suggesting a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=colossal+collection+of+action+poses
    • http://files.usasportsassociation.com/uploads/1/3/1/3/131398117/lenibipuri-volun-fowazanemudu-dezimedo.pdf
    • http://zogixizu.jtmfg.net/uploads/1/3/0/7/130776582/sofusapusopapow.pdf
    • http://files.ancientcitycustoms.com/uploads/1/3/1/4/131438501/3369519.pdf
    • http://direwinul.northerncherokeenation.com/uploads/1/3/0/7/130775732/wurazokevoporeto.pdf
    • https://cdn.shopify.com/s/files/1/0432/8423/4398/files/certificate_of_analysis_sample.pdf
    • https://cdn.shopify.com/s/files/1/0430/0144/6554/files/46280621397.pdf
    • https://cdn.shopify.com/s/files/1/0439/3458/0891/files/2473864172.pdf
    • https://cdn.shopify.com/s/files/1/0434/5469/3541/files/abecedario_fonetico.pdf
    • https://cdn.shopify.com/s/files/1/0432/7027/5237/files/fufisewewiwigiv.pdf
    • https://cdn.shopify.com/s/files/1/0428/8079/4780/files/88777506869.pdf
    • https://cdn.shopify.com/s/files/1/0432/8757/6740/files/85865174214.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/lukijadedisudixegufik.pdf
    • https://cdn.shopify.com/s/files/1/0440/0267/2798/files/80108658291.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_off00004abd.bin
e1ffd51b37cf000e0327b4da22e7d80583517168e9c59543dcfe177ac515c6f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4ABD 4724 bytes
font_01_sfnt_off00005ada.bin
b8a23f53560ae159a4eb035bf1448e045bb79c3c9a7dcf795bc64bc7d668c63b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ADA 10092 bytes
font_02_sfnt_off00007d68.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D68 4324 bytes

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