Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ee73bceaf7c6962…

MALICIOUS

PDF

46.1 KB Created: 2020-08-01 06:53:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6098834d2dd3ac22b12acb5d79535095 SHA-1: 7289b97877b68a0506799c17ced5517038f16890 SHA-256: 1ee73bceaf7c69622bdb51aa36876622b751bfe557ce90cf55e9e7a7f370034f
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a Chrysler 200 manual. The file also exhibits characteristics of a link farm, with numerous embedded links to PDF files hosted on Shopify. The primary attack vector appears to be social engineering, leveraging the lure of a vehicle manual to entice users to click the malicious link.

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=chrysler+200+manual
    • http://files.creativeiqsf.com/uploads/1/3/0/8/130813409/3266359.pdf
    • http://files.candyzcandidz.com/uploads/1/3/1/3/131379183/5256413.pdf
    • http://files.murderhollow.com/uploads/1/3/1/8/131856392/piduxeb_noxoro_lamivalitutod.pdf
    • http://files.nanny-bears.co.uk/uploads/1/3/2/3/132303175/nugasav-jeponuroxados-zikefupozona-zolikukokese.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/medarovadujagowurevasote.pdf
    • https://cdn.shopify.com/s/files/1/0432/9488/4000/files/pusifulevigusajokubani.pdf
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/10279067964.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kijajakunij.pdf
    • https://cdn.shopify.com/s/files/1/0431/6135/4404/files/76024355859.pdf
    • https://cdn.shopify.com/s/files/1/0437/7916/2263/files/53866829345.pdf
    • https://cdn.shopify.com/s/files/1/0432/4294/6715/files/dilijabojixolupogig.pdf
    • https://cdn.shopify.com/s/files/1/0432/8656/0936/files/pigugegupimexaputuk.pdf
    • https://cdn.shopify.com/s/files/1/0432/0552/5661/files/pimovominijipikawoxeje.pdf
    • https://cdn.shopify.com/s/files/1/0432/7833/6165/files/18090081002.pdf
    • https://cdn.shopify.com/s/files/1/0430/9532/6887/files/malizitebifara.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedifoniwupub.pdf
    • https://cdn.shopify.com/s/files/1/0428/4288/2215/files/buzonezamagitolisageris.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/1/0432/4294/6715/files/dilijabojixolu

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000758a.bin
11992e942a31500276d80c7a41da9bfc3952cae425f776be534f28b827ff5e46		 pdf-font-stream PDF embedded font (sfnt) at offset 0x758A 5208 bytes
font_01_sfnt_off0000870f.bin
7366da7690c2e2f8136f09c7abd4fde7e7d9edc9d2063f6247ba65f56cd71b47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x870F 10796 bytes

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