Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e986e227c46876c…

MALICIOUS

PDF

38.4 KB Created: 2020-08-20 23:55:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61b069640f4d6d37126f055174cbfb9f SHA-1: 9648fbfd513507984e8ca1289a241a3edf165e86 SHA-256: 1e986e227c46876ce478582a4750c11e0a5b8f0867a207fa1172b11233b1f3aa
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, which points to a URL designed to trick users into downloading an 'apk for pc'. The document body also contains this URL and numerous other links, many hosted on Shopify, suggesting a link farm intended to distribute malicious content. The primary malicious URL is https://ttraff.ru/pify?keyword=google+play+store+apk+for+pc, which likely serves as a lure for unwanted software.

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=google+play+store+apk+for+pc
    • http://nokumun.malshamsiaudit.ae/uploads/1/3/0/7/130775735/vurapo.pdf
    • http://zewevif.booksandspoons.com/uploads/1/3/2/6/132695471/rupukur.pdf
    • http://rimiz.guelphpropertymanagement.com/uploads/1/3/0/7/130776445/7ed18411e.pdf
    • http://files.davidbarg.com/uploads/1/3/1/4/131406433/23e6cd8f.pdf
    • https://cdn.shopify.com/s/files/1/0433/7916/3285/files/71421014593.pdf
    • https://cdn.shopify.com/s/files/1/0434/8100/6244/files/1139889645.pdf
    • https://cdn.shopify.com/s/files/1/0431/0145/4500/files/gufawedegijilabodopilafe.pdf
    • https://cdn.shopify.com/s/files/1/0431/9005/9176/files/24993988439.pdf
    • https://cdn.shopify.com/s/files/1/0434/3539/3191/files/nutikonevij.pdf
    • https://cdn.shopify.com/s/files/1/0433/6399/1717/files/fobafajutux.pdf
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/tukonuren.pdf
    • https://cdn.shopify.com/s/files/1/0433/6805/4940/files/adobe_photoshop_cs2_all_shortcut_keys.pdf
    • https://cdn.shopify.com/s/files/1/0429/4826/4089/files/54471642806.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_off0000573c.bin
f5d038f98c3b4ca055143b3e46f1a0434d5e529edc03a908a9105b6b60f7a3b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x573C 5380 bytes
font_01_sfnt_off000069b0.bin
8b68f8fc694f10444e526ea2b3558287bfb81da9708254b7f140cda69d08f668		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69B0 10360 bytes

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