Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2b7ad76915b014f…

MALICIOUS

PDF

42.0 KB Created: 2020-08-24 09:19:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a8690c06b76fb1f6fa505f4ef41ff9b4 SHA-1: 2e18b8067dfa433f0cfcefa23b9540496c739a74 SHA-256: e2b7ad76915b014fa0cd0dabfeb8ae0d101a650732ca8f0818ccda55a157550d
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector, indicating a lure to download content. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically points to the URL https://ttraff.com/pify?keyword=asphalt+7+mod+apk+1.+1.+2, which is likely intended to deliver a malicious payload. The presence of a 'download button' heuristic further supports this attack pattern.

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=asphalt+7+mod+apk+1.+1.+2
    • http://files.projectenrich.org/uploads/1/3/1/3/131380601/e191cc3a8b8c71.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/kifuwovagub.pdf
    • https://cdn.shopify.com/s/files/1/0435/7285/4939/files/ubuntu_16._04_32_bit_iso_image.pdf
    • https://cdn.shopify.com/s/files/1/0431/2173/7882/files/mogunewukon.pdf
    • https://cdn.shopify.com/s/files/1/0437/9662/7616/files/curriculum_guide_grade_1_mathematics.pdf
    • https://cdn.shopify.com/s/files/1/0428/1755/2543/files/anonimo_veneziano_spartito_pianoforte.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nulanevu.pdf
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/adjektivdeklination_bestimmter_artikel_bungen.pdf
    • https://cdn.shopify.com/s/files/1/0440/7482/7941/files/free_blender_full_crack.pdf
    • https://cdn.shopify.com/s/files/1/0433/7768/8743/files/addicted_to_sugar_article_questions_answers.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/
    • https://cdn.shopify.com/s/files/1/0437/9662/7616/fil

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066cc.bin
4e7a5900e140375378d4b57afcc907c577e9a46def1b06d0332cbeac25e445ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66CC 5452 bytes
font_01_sfnt_off0000793e.bin
993ef38c16074c2e223ef83184b8c64bd5bac3a3dba72068b3ede6c6731312b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x793E 10028 bytes

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