Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e184792200405ee…

MALICIOUS

PDF

41.6 KB Created: 2020-04-17 03:05:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 808bf10f385ab13accf0afec36efc41b SHA-1: 74fa577cf8e4e9d1f621e5346b1d6a5197f11e6d SHA-256: 8e184792200405ee0c2ebede49e5cea00aec410fad7992547bed7d01b6abbf7f
62 Risk Score

Malware Insights

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

The PDF document contains a heuristic firing for a link farm, indicating it is designed to redirect users to a large number of external PDF files. The document body text and extracted URLs suggest a lure related to a 'cheat sheet' or similar content. The primary purpose appears to be driving traffic to a network of hosted PDF documents, likely for SEO manipulation or to host further malicious content.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://emerginghiphop.com/uploads/1/3/1/4/131438091/131438091.html#new+item+cheat+sheet+tft
    • http://perfectangle.org/uploads/1/3/1/4/131437670/eb124f46ad.pdf
    • http://cijjjpb.com/uploads/1/3/0/5/130588506/fuzaxakotokelexavup.pdf
    • http://melissaloveless.com/uploads/1/3/1/4/131438786/garokunumone.pdf
    • http://carmellawnpros.com/uploads/1/3/0/9/130969211/poruvovekibosog_wesatikeziraw_kazedaxewimovu.pdf
    • http://mjrlashes.com/uploads/1/3/1/3/131378835/220c1.pdf
    • http://menu360.info/uploads/1/3/0/5/130551184/kusalikuf_lagawonaxo_ratomuja.pdf
    • http://tacticaltitleservices.net/uploads/1/3/0/5/130541000/labigozekave.pdf
    • http://markscarb.com/uploads/1/3/0/4/130477890/kudegivulezorag.pdf
    • http://douladeer.com/uploads/1/3/0/5/130551356/6809110.pdf
    • http://dirigirempresas.com/uploads/1/3/0/7/130775138/muzidabazosojo.pdf
    • http://window-farms.net/uploads/1/3/0/7/130738603/pafirad.pdf
    • http://wixomkuhnceramics.com/uploads/1/3/0/6/130605299/444408.pdf
    • http://teamtakahe.com/uploads/1/3/1/3/131378970/zadaraguga-wakikusezisuzaj.pdf
    • http://carmellaw
    • 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007a54.bin
16521bc4d63d27e5e49a16caa5c56f31575fb4e7075c1802257a3c6b1ba78f3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A54 7976 bytes

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