Malicious PDF — malware analysis report

Static analysis result for SHA-256 9deaa55a100be737…

MALICIOUS

PDF

51.3 KB Created: 2020-08-19 05:40:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 824c7bd878030dd8edefe9290fd13033 SHA-1: dd74f285c19710495bb36a22c9a446a87b6a1820 SHA-256: 9deaa55a100be737e69a2685d39d720ed0c42a0e57d41d1264a6bed83e64968c
120 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, specifically pointing to 'https://ttraff.cc/pify?keyword=anand+movie++mkv'. This suggests the document is designed to trick users into clicking the link, likely under the pretext of providing movie content, leading them to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm or SEO poisoning attempt to drive traffic to potentially malicious sites.

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.cc/pify?keyword=anand+movie++mkv
    • http://files.alicekdade.com/uploads/1/3/0/7/130775734/dipileretoj.pdf
    • https://cdn.shopify.com/s/files/1/0437/7149/4554/files/xudazojiruwotete.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/4607432972.pdf
    • https://cdn.shopify.com/s/files/1/0432/9517/8902/files/create_drop_down_list_in_google_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0432/7197/9172/files/kagazifepuwupofupugemetev.pdf
    • https://cdn.shopify.com/s/files/1/0431/8245/7000/files/46822324352.pdf
    • https://cdn.shopify.com/s/files/1/0432/0601/7185/files/14002129281.pdf
    • https://cdn.shopify.com/s/files/1/0441/3086/1208/files/laxinusujanopafen.pdf
    • https://cdn.shopify.com/s/files/1/0430/8303/8881/files/juvobigepavumatalow.pdf
    • https://cdn.shopify.com/s/files/1/0429/3325/6345/files/60880820494.pdf
    • https://cdn.shopify.com/s/files/1/0432/8374/2884/files/sutomovedotupesabizar.pdf
    • https://cdn.shopify.com/s/files/1/0432/1063/7476/files/97673358672.pdf
    • https://cdn.shopify.com/s/files/1/0432/4327/4402/files/65336785545.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000075a4.bin
ec58503f1583fc604aae839cabd514ba06bda2eb217873ace0aaa28711600460		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75A4 4776 bytes
font_01_sfnt_off000085d7.bin
3e472bc688bea710a731303e89fb3721f4df4f21a9e589f32c4d140815196531		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85D7 10952 bytes
font_02_sfnt_off0000ab73.bin
6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB73 16164 bytes

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