Malicious PDF — malware analysis report

Static analysis result for SHA-256 c64b7ec3d1a3945a…

MALICIOUS

PDF

40.0 KB Created: 2020-08-12 14:04:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44fc1e3826fc12e4a4d338fb6959b2e2 SHA-1: 12375fdcad3cc8b61a8768b9b4afc993b88caf24 SHA-256: c64b7ec3d1a3945a89eff2e6defc96129b221d039cf0081ac32114f838716fc5
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious infrastructure at ttraff.cc. This indicates a social engineering attempt to lure users to malicious content, likely for further exploitation or malware delivery. The document body contains obfuscated text and a reference to 'barkus book pdf', suggesting a lure related to book downloads.

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=barkus+book+pdf
    • http://files.onsacredgroundlandtrust.org/uploads/1/3/0/7/130739719/kofupaxifuxo.pdf
    • http://virowepa.thecannacontainer.com/uploads/1/3/1/0/131070109/pifinagorudivat.pdf
    • http://sasux.sumetfitness.com/uploads/1/3/1/6/131636789/bewutadoxokefa-sabalotumerez-wekizarozajaf.pdf
    • https://cdn.shopify.com/s/files/1/0432/3786/7687/files/wiwurasewatepazululo.pdf
    • https://cdn.shopify.com/s/files/1/0429/1844/5223/files/angler_s_outfit_osrs.pdf
    • https://cdn.shopify.com/s/files/1/0433/4521/5637/files/94788662123.pdf
    • https://cdn.shopify.com/s/files/1/0437/3282/8314/files/wovenibupilevulupelese.pdf
    • https://cdn.shopify.com/s/files/1/0430/6580/2905/files/zuduzuzopanuw.pdf
    • https://cdn.shopify.com/s/files/1/0436/9353/9478/files/85677025886.pdf
    • https://cdn.shopify.com/s/files/1/0429/8548/8543/files/95341073106.pdf
    • https://cdn.shopify.com/s/files/1/0427/8432/5798/files/anatomy_for_sculptors_understanding_the_human_form_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0790/9794/files/piketatomuki.pdf
    • https://cdn.shopify.com/s/files/1/0437/0684/3288/files/46946811809.pdf
    • https://cdn.shopify.com/s/files/1/0444/3072/1190/files/boolean_algebra_in_computer.pdf
    • https://cdn.shopify.com/s/files/1/0437/1061/1605/files/637144644.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_off00006023.bin
fe4f0bc672cd33e9be430639ac823066d4c9b4158c16ee9b628cb70c717b5694		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6023 5256 bytes
font_01_sfnt_off00007210.bin
8fae53961f30006ceaa44d36d87c0e9313cf627c864e9d2b73c28b06e2ec5370		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7210 9800 bytes

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