Malicious PDF — malware analysis report

Static analysis result for SHA-256 e38883acf4763c61…

MALICIOUS

PDF

38.5 KB Created: 2020-09-01 18:49:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41a0e20557cfa7b6d873ab366ec21dc7 SHA-1: d5b5807c3a0595c128dec4d6c1c6298a52901f2d SHA-256: e38883acf4763c6164c6014424b01ed06397bc1a162830019e312e8f5b297123
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=ate%25C5%259Ften+g%25C3%25B6mlek+indir+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. Additionally, a PDF link farm heuristic suggests the document is part of a larger SEO poisoning or link farm operation. No scripts were extracted from this sample.

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.club/wix?keyword=ate%25C5%259Ften+g%25C3%25B6mlek+indir+pdf
    • https://cdn.shopify.com/s/files/1/0464/6676/0856/files/robulinewivife.pdf
    • https://cdn.shopify.com/s/files/1/0440/7079/7462/files/89665450699.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gigogew.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zadolodiwifunum.pdf
    • https://cdn.shopify.com/s/files/1/0441/4147/8040/files/jixivog.pdf
    • https://cdn.shopify.com/s/files/1/0431/6702/3253/files/lizomalakobuf.pdf
    • https://cdn.shopify.com/s/files/1/0432/6785/0390/files/mazenu.pdf
    • https://cdn.shopify.com/s/files/1/0449/1057/5771/files/rail_reservation_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0439/4660/6760/files/ruzatejuliganaja.pdf
    • https://static.usrfiles.com/ugd/9b5f63_84e4bf536a7f4040aaaf87c45cab44a7.pdf
    • https://static.usrfiles.com/ugd/6a7407_ad32aefcafa840c489bbce536bf9e063.pdf
    • https://static.usrfiles.com/ugd/cafc24_c49aa7ac6a6941dfa20b877dc40148aa.pdf
    • https://static.usrfiles.com/ugd/b8c837_c2a34f99e45c4631a1cac9d382272220.pdf
    • https://static.usrfiles.com/ugd/7e6083_bb8d0acd0f5b4b918b447579909ff167.pdf
    • https://static.usrfiles.com/ugd/b8c837_44a4da9fe85a43c3afbb0af00c129b8f.pdf
    • https://static.usrfiles.com/ugd/4d935e_9cd43ead094a406b8b1530ead0d46b88.pdf
    • https://static.usrfiles.com/ugd/fd3290_827719ef469242e287f118ac659c80ca.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_off0000562a.bin
06d972e9cea73ae7180a551d7939017865bbb2828278030fbaff52a19f10305b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x562A 5412 bytes
font_01_sfnt_off00006845.bin
ecc4b826657d17aed237604a836a86e447abcc8f426d5add868e7ad0a3477e91		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6845 11168 bytes

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