Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac8025125669d44e…

MALICIOUS

PDF

40.8 KB Created: 2020-09-02 03:11:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87ec3b0c981be60441a87237c55eb419 SHA-1: 021bea0f9275891581656903cfbe7de54dd43228 SHA-256: ac8025125669d44e12c3821c1fb823f35069c4902a6ea7542b1fdd54564245a4
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, disguised as a lure for free movies. This indicates a phishing or scam attempt. The PDF also contains a large number of external links, many of which point to Shopify-hosted PDFs, suggesting a link farm for SEO manipulation or traffic redirection.

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.com/wix?keyword=abc+movies+online+free
    • https://cdn.shopify.com/s/files/1/0436/1856/6306/files/video_intro_templates_logo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8062/9913/files/37458481478.pdf
    • https://cdn.shopify.com/s/files/1/0431/5706/1788/files/articulation_and_phonology_in_speech_sound_disorders_6th_edition.pdf
    • https://static.usrfiles.com/ugd/ced2dc_67e6e40102a5481fbaaa3949e7fddebd.pdf
    • https://static.usrfiles.com/ugd/9fc8c3_78d11ead97f14aefa5dfedb3ab0de238.pdf
    • https://static.usrfiles.com/ugd/3f4b99_9266e46f5de44fe590d5fbedea90c4da.pdf
    • https://static.usrfiles.com/ugd/78c764_459a4045a946444e9530cf42d6c76c30.pdf
    • https://static.usrfiles.com/ugd/a2e20a_e0a369940a9d44198c6681873e65fbda.pdf
    • https://static.usrfiles.com/ugd/b8c837_077801986ce341a8858c1d3b0c43f43f.pdf
    • https://static.usrfiles.com/ugd/b8bbd7_8d14e62eadc14fa8bb91a0c1ce2a8574.pdf
    • https://static.usrfiles.com/ugd/2b25b5_48bf4adf52a04d0c83157f375c6e0b13.pdf
    • https://static.usrfiles.com/ugd/01e791_874a978a05f8406e9682d6b3772ed7d5.pdf
    • https://static.usrfiles.com/ugd/71fd01_5e453e009ac242eb8730d73a363ad13c.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_off000061e5.bin
ee4f0aafc70aa2519793296e31d466973a19a338db3f5f041ffbe15cf22b2c7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61E5 5008 bytes
font_01_sfnt_off000072e5.bin
11280e07e738f702989a53065c9337521bbfe8d20dca8667c84bb490aac3cebb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E5 10344 bytes

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