Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec67db8768d4a95b…

MALICIOUS

PDF

38.3 KB Created: 2020-08-19 02:48:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83f20cb1967ac7e2b22e2a9bbed8f3ee SHA-1: ae98cf086d8c05c347c79049546c973d351d8b52 SHA-256: ec67db8768d4a95bc33360455f045466c72c75eea54a7af1bc7d2a44a2935063
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of the primary links, however, leads to a known malicious redirector at 'https://ttraff.ru/pify?keyword=home+alone+songs'. The document body, though heavily obfuscated, also contains this URL and other external links. This suggests a link farm or redirection attack designed to lead users to malicious content.

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.ru/pify?keyword=home+alone+songs
    • http://nuvijuv.rkarimitherapy.com/uploads/1/3/0/8/130814995/wavotomewo.pdf
    • http://files.racheleveholmes.com/uploads/1/3/1/3/131398515/fijasonav.pdf
    • https://cdn.shopify.com/s/files/1/0439/0384/4520/files/zelugebiwaxirawonizevugob.pdf
    • https://cdn.shopify.com/s/files/1/0436/6965/1606/files/76794797029.pdf
    • https://cdn.shopify.com/s/files/1/0448/2839/3634/files/thinking_out_loud_chords_piano.pdf
    • https://cdn.shopify.com/s/files/1/0435/8737/1167/files/zuwuvabebirabogafa.pdf
    • https://cdn.shopify.com/s/files/1/0435/5925/6232/files/pixivusiwetoju.pdf
    • https://cdn.shopify.com/s/files/1/0430/8808/5145/files/32352035853.pdf
    • https://cdn.shopify.com/s/files/1/0429/3266/6524/files/demamolurifafeforeta.pdf
    • https://cdn.shopify.com/s/files/1/0427/7737/8972/files/75605281132.pdf
    • https://cdn.shopify.com/s/files/1/0433/6844/8151/files/how_to_download_orespawn.pdf
    • https://cdn.shopify.com/s/files/1/0429/3469/8147/files/bisanepatis.pdf
    • https://cdn.shopify.com/s/files/1/0437/4528/0161/files/amazing_facts_about_animals_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/6573/5328/files/ratodixizakug.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_off00004c35.bin
291940bdb4edf27d955f6c07af9812ee28491a03fd9dc80a1595f14f59d95616		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C35 4528 bytes
font_01_sfnt_off00005b6d.bin
321321f47a97f4b89e137b7281576f4941c4e0fe8839195fab1f1528b04fb616		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6D 10324 bytes
font_02_sfnt_off00007ebd.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EBD 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.