Malicious PDF — malware analysis report

Static analysis result for SHA-256 7be53b468b3e6bce…

MALICIOUS

PDF

41.1 KB Created: 2020-09-03 02:56:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 58306e70df6a5cbf6a8dc72e38e48371 SHA-1: 49c2d83d025773bcd4306a8299516f16287fc6b1 SHA-256: 7be53b468b3e6bcec0eb790889553599be7ffa2595c280333a82944455c2dda6
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one pointing to a known malicious redirector. The document body and embedded links suggest a lure to a malicious site, likely for phishing or malware distribution. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly indicate malicious intent. The embedded URL https://ttraff.me/pify?keyword=balanitis+tratamiento+pdf+2017 is the primary indicator of compromise.

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.me/pify?keyword=balanitis+tratamiento+pdf+2017
    • https://cdn.shopify.com/s/files/1/0438/6645/6224/files/xasisubopalofamedozag.pdf
    • https://cdn.shopify.com/s/files/1/0464/7868/8408/files/dod_risk_management_framework_securing_information_systems.pdf
    • https://cdn.shopify.com/s/files/1/0436/7125/7241/files/brazil_vs_germany_2014_match_report.pdf
    • https://cdn.shopify.com/s/files/1/0432/9681/7312/files/kozoxekazisekugejubegul.pdf
    • https://cdn.shopify.com/s/files/1/0436/0955/5107/files/manual_chevrolet_optra_limited_2006.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vekedexixerokasadoboma.pdf
    • https://static.usrfiles.com/ugd/6cf0f5_06df28e8df2647048dbb611dd38e4f9d.pdf
    • https://static.usrfiles.com/ugd/9734e7_7905b33bd4f84974921b826dd2d63dd1.pdf
    • https://static.usrfiles.com/ugd/1f6d71_465d827969f240ed9fd86b90feb1dfc1.pdf
    • https://static.usrfiles.com/ugd/7e6083_03adeca3aa22404da840ca49ae3ded83.pdf
    • https://static.usrfiles.com/ugd/a44510_532c3daf900c48acbf4b2aac9bf20ab3.pdf
    • https://static.usrfiles.com/ugd/0e9fc2_7ef1ddcde1b44a3b81326acb4a9790cf.pdf
    • https://static.usrfiles.com/ugd/4117a9_95828bbc8ee147ee8628435fff38160c.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_off00006227.bin
3c5fabae9b06902dd40b431100324b774c71175f64cb14de5718d303d6590a03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6227 5644 bytes
font_01_sfnt_off0000754c.bin
a1b3c80b0143810ebe87299bfcd1abe791f1b152643be406e3278733bad0398a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x754C 10024 bytes

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