Malicious PDF — malware analysis report

Static analysis result for SHA-256 e577cc9b92b57cc4…

MALICIOUS

PDF

46.6 KB Created: 2020-08-22 03:38:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6600a88fca21741340400456698625e7 SHA-1: c9efa6420752e92b9bdd768c25da0665bd440f4f SHA-256: e577cc9b92b57cc49faa2f0e56901e3752433fb91ee52785332c6fb47699c112
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious redirector. The primary malicious URL is https://ttraff.com/pify?keyword=facebook+lite++for+windows+7, which is likely used to lure victims with a fake software download. The document body is heavily obfuscated and contains this malicious URL, further supporting the phishing and redirection attack pattern.

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=facebook+lite++for+windows+7
    • http://files.feathersandquills.com/uploads/1/3/0/8/130874676/wodezetutezoje-kexefixetir-lipud-vopekekuko.pdf
    • http://files.vcgallery.org/uploads/1/3/0/7/130775762/9489878.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72619586694.pdf
    • https://cdn.shopify.com/s/files/1/0432/7440/3996/files/64790328387.pdf
    • https://cdn.shopify.com/s/files/1/0436/3337/7440/files/32599076349.pdf
    • https://cdn.shopify.com/s/files/1/0432/1368/4891/files/comptabilit_gnrale_etat_de_rapprochement_bancaire.pdf
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/media_writing_print_broadcast_and_public_relations.pdf
    • https://cdn.shopify.com/s/files/1/0437/1592/0024/files/82477744755.pdf
    • https://cdn.shopify.com/s/files/1/0434/7153/6285/files/31908966216.pdf
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/86550825553.pdf
    • https://cdn.shopify.com/s/files/1/0430/5613/6341/files/waperesew.pdf
    • https://cdn.shopify.com/s/files/1/0429/0510/8636/files/intel_bluetooth_driver_windows.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_off00006317.bin
b3d021b77af8251f8a60c0fb5562dcc234cee9be085244f566ad9f13306fab72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6317 5344 bytes
font_01_sfnt_off00007566.bin
c4620c0d756f47a93e2c54d818a1b7acfa44ddc99b67e2da6d7bfc8fe5160c86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7566 10072 bytes
font_02_sfnt_off000097da.bin
3745d395dffe053ce12bb6e6d543a89fda750690c61e1e786fb35984b58e44e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97DA 16344 bytes

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