Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccc26fdb8a0889cc…

MALICIOUS

PDF

40.4 KB Created: 2020-08-15 05:32:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00fc0e60a6f1512b952617268978b943 SHA-1: 59c0ff97b8fcc167ca0cfd3046dca65e944865ec SHA-256: ccc26fdb8a0889cc0b0adf7203aa66ae51df23dbc41acd62732b8965b32fd3fa
148 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a 'Bsnl landline telephone bill', aiming to trick users into clicking it. The document also features a call-to-action phrase and a callback lure, suggesting a phishing or scam attempt. The primary malicious URL, https://ttraff.cc/pify?keyword=bsnl+landline+telephone+bill, is a known redirector.

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/pify?keyword=bsnl+landline+telephone+bill
    • http://xaliwali.streetash.com/uploads/1/3/1/4/131453060/zokevabaz_kakifegerajeme_weremu.pdf
    • http://leviviv.lynnespeake.com/uploads/1/3/1/8/131856698/46307380.pdf
    • http://files.savorlifenutrition.com/uploads/1/3/0/7/130775286/e74b64f3f3.pdf
    • https://cdn.shopify.com/s/files/1/0438/9208/0795/files/tobiga.pdf
    • https://cdn.shopify.com/s/files/1/0429/4164/4963/files/gujej.pdf
    • https://cdn.shopify.com/s/files/1/0429/5540/7511/files/91616288344.pdf
    • https://cdn.shopify.com/s/files/1/0435/1809/9615/files/reruwijukabizefalaxek.pdf
    • https://cdn.shopify.com/s/files/1/0431/1390/6333/files/kowemobazexukot.pdf
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/http-_win._cpp_160.pdf
    • https://cdn.shopify.com/s/files/1/0437/8574/8642/files/resume_for_job_application_sample.pdf
    • https://cdn.shopify.com/s/files/1/0430/8670/8885/files/kimutixulatofulinozunanap.pdf
    • https://cdn.shopify.com/s/files/1/0432/4874/6651/files/zaroxu.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_off000056e4.bin
20da5072148e6db229a44fa7c512720386c6d617adf9c3cebe38b2f485465e76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56E4 5140 bytes
font_01_sfnt_off0000684d.bin
8fba8cacdd4ec6a27c9279361dbdddc528ebe037deedeeb0e1ab83e7cb0706d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x684D 14440 bytes

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