Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6d0f4a30fe3ae10…

MALICIOUS

PDF

44.4 KB Created: 2020-08-25 11:55:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 85706247183eb3b4347f685b0cf61f59 SHA-1: 121c99f2cce5a730d76977fe2561f63c925d1231 SHA-256: e6d0f4a30fe3ae10f71250dea1f437f6d23c77d55d8a413b9471989e613f4c6f
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=anaglyph+3d+action+free'. This URL is embedded within the document body, suggesting an attempt to trick the user into clicking it for a supposed free download. The presence of numerous other links to Shopify-hosted PDFs indicates a link farm strategy, likely to improve search engine ranking and lure unsuspecting users. No scripts were extracted from this sample.

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=anaglyph+3d+action+free
    • http://ruvadedi.montgomerycountyvtc.org/uploads/1/3/2/3/132303382/6f3afb8add8a542.pdf
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/54597791743.pdf
    • https://cdn.shopify.com/s/files/1/0438/5102/2501/files/rasobefovamil.pdf
    • https://cdn.shopify.com/s/files/1/0434/6534/3126/files/wabobotosuzexolegabixafi.pdf
    • https://cdn.shopify.com/s/files/1/0437/3735/0293/files/lulasasuluditulusalapage.pdf
    • https://cdn.shopify.com/s/files/1/0431/2370/3970/files/rabupij.pdf
    • https://cdn.shopify.com/s/files/1/0432/4379/8683/files/communicative_english_book_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/8166/2628/files/book_review_examples_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/5479/2866/files/cambridge_igcse_ict_practical_workbook_answers.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/watebewakupeve.pdf
    • https://cdn.shopify.com/s/files/1/0431/9189/4176/files/25800780335.pdf
    • https://cdn.shopify.com/s/files/1/0432/5244/9444/files/zokizowapototu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1966/4541/files/tabafawapeva.pdf
    • https://cdn.shopify.com/s/files/1/0434/3929/2577/files/51797827835.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000055b5.bin
048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55B5 6744 bytes
font_01_sfnt_off0000669a.bin
26de3502ff7653e11d7b18d0b4cab86440ec6ed727d0d148eb4acfdded866541		 pdf-font-stream PDF embedded font (sfnt) at offset 0x669A 5492 bytes
font_02_sfnt_off0000793d.bin
505785a6bd6859b1755384df6dfaba7fe9b1c211c39ea64bff23942fdd485763		 pdf-font-stream PDF embedded font (sfnt) at offset 0x793D 1608 bytes
font_03_sfnt_off0000815a.bin
89b0103721968befd3625b345a9fdc7634608467fc0d42764afbf57336ba4fa8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x815A 10300 bytes

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