Malicious PDF — malware analysis report

Static analysis result for SHA-256 c60eaa319eb486aa…

MALICIOUS

PDF

53.1 KB Created: 2020-08-17 01:58:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 05d03c5de425092e6995648ae279280f SHA-1: d312c62d66f9516ef7819540bde4782ca96873da SHA-256: c60eaa319eb486aa939beb875c70297af93501c52173896db36b0ad89572119b
128 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented within the document body, disguised as a download link for 'Baahubali tamil hd video songs'. The presence of a link farm heuristic further suggests a malicious intent to drive traffic to potentially harmful sites. The document body itself contains obfuscated text and embedded URLs, including the malicious redirector and several benign Shopify links.

Heuristics 4

  • 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.
  • 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.com/pify?keyword=baahubali+tamil+hd+video+songs++isaimini
    • http://files.panoramafarmsspecklepark.com.au/uploads/1/3/0/7/130775649/zotupisakikugina.pdf
    • https://cdn.shopify.com/s/files/1/0430/3156/0354/files/85838367702.pdf
    • https://cdn.shopify.com/s/files/1/0434/5564/3809/files/pdf_to_word_program_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/3595/0236/files/47956230542.pdf
    • https://cdn.shopify.com/s/files/1/0448/3439/0178/files/maps._me_android_review.pdf
    • https://cdn.shopify.com/s/files/1/0432/7132/3804/files/22084334857.pdf
    • https://cdn.shopify.com/s/files/1/0430/5184/3737/files/72983105277.pdf
    • https://cdn.shopify.com/s/files/1/0432/2754/5757/files/5924855914.pdf
    • https://cdn.shopify.com/s/files/1/0436/7391/1449/files/dadipeta.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/74808095599.pdf
    • https://cdn.shopify.com/s/files/1/0427/6482/8838/files/nabavuxakemoleganasero.pdf
    • https://cdn.shopify.com/s/files/1/0440/1568/1701/files/fema_700_b_final_exam_answers.pdf
    • https://cdn.shopify.com/s/files/1/0432/9016/5403/files/zemaxafusabaputegibama.pdf
    • https://cdn.shopify.com/s/files/1/0433/5842/1142/files/learn_javascript_the_hard_way.pdf
    • https://cdn.shopify.com/s/files/1/0432/6916/1126/files/44931666215.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000687b.bin
917e5c54b26b08c4ed109ef79e1f8fa12d9c9daec39558d421f44b0e1be6f0b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x687B 5236 bytes
font_01_sfnt_off00007a18.bin
fcd71b06a17ec47a6c301506da8f184fbe2324047512a1c1f597ee4c31681ed7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A18 5392 bytes
font_02_sfnt_off00008c4c.bin
debe0bbef6d266e12c3b5d3bd9bbb118266274b39824a77d9939f30e111a235b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C4C 10480 bytes
font_03_sfnt_off0000b069.bin
dc54f3ff3800a9b7ac4db692fd53a838a0e5ec7ae9a102aadfa0e8b85b3efd48		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB069 16516 bytes

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