Malicious PDF — malware analysis report

Static analysis result for SHA-256 e206d057f2147f26…

MALICIOUS

PDF

38.2 KB Created: 2020-08-08 16:30:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f516c19b27090d812f86248e1932cb0 SHA-1: e2746c8f36f2fc5408a1c10bc54df59295c97e79 SHA-256: e206d057f2147f268d026b044a3eb9d1ce3862505ccca48b9865e1b368c6109d
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded URLs suggest a lure related to 'MTN mobile money' to entice users to click the malicious link. The PDF also contains a large number of external links, indicating a link farm strategy.

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=mtn+mobile+money+pdf
    • http://files.bioforgegrow.com/uploads/1/3/2/3/132302824/tilimikelovobofagug.pdf
    • http://files.vintageannalsarchive.com/uploads/1/3/1/4/131454850/9bb331.pdf
    • http://files.erinmerrill.studio/uploads/1/3/1/3/131380236/tabasonabukafu-jijadowu.pdf
    • http://files.dumbleyungcrc.com/uploads/1/3/2/7/132741035/jasas_nefotoluvader_wasukonotexedaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/7243/8947/files/vukinesawovimukeb.pdf
    • https://cdn.shopify.com/s/files/1/0427/9717/0847/files/zimikebotixegovab.pdf
    • https://cdn.shopify.com/s/files/1/0430/7084/9177/files/delhi_building_bye_laws.pdf
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/zukarapimofokigile.pdf
    • https://cdn.shopify.com/s/files/1/0440/8960/6294/files/siremami.pdf
    • https://cdn.shopify.com/s/files/1/0427/9150/1990/files/68416099459.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50398535586.pdf
    • https://cdn.shopify.com/s/files/1/0437/7283/8039/files/99666613223.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58933331969.pdf
    • https://cdn.shopify.com/s/files/1/0430/3237/9545/files/33318660579.pdf
    • https://cdn.shopify.com/s/files/1/0440/5261/1222/files/xikoxosir.pdf
    • https://cdn.shopify.com/s/files/1/0430/9850/5377/files/6867579398.pdf
    • https://cdn.shopify.com/s/files/1/0429/0379/7913/files/80097077996.pdf
    • https://cdn.shopify.com/s/files/1/0436/8872/2597/files/jejagemuvil.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_off00005895.bin
6af8068a7bf7c4b6be8711349cc35d68f916b4ad3770c377e708191501b8ec9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5895 4948 bytes
font_01_sfnt_off0000696d.bin
94207a99f94b438ba7b2ae2dc5de2812b49d8128164b8c20a68d9290588fd978		 pdf-font-stream PDF embedded font (sfnt) at offset 0x696D 10176 bytes

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