Malicious PDF — malware analysis report

Static analysis result for SHA-256 b69f6e00d5f68acd…

MALICIOUS

PDF

132.2 KB Created: 2020-06-09 08:32:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b13be5fd5f09408c2954f949f77f513c SHA-1: f8b1c2b3f855781b8cdad9f6bc1dac36cfbcddd3 SHA-256: b69f6e00d5f68acd2211e16f21fff140a8d6f303253cb3ccb3d9b819d704a1d0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many of which are SEO-optimized and point to other PDF files on various domains. This technique is commonly used to obscure malicious content or redirect users to phishing sites. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://alanenterprises.org/uploads/1/3/1/3/131380295/131380295.html#St%25C3%25B8rrelse+6+bondest%25C3%25B8vler
    • http://elaurayoga.net/uploads/1/3/1/4/131407465/pumari_bufawefaneroz_bunomudufaso.pdf
    • http://pflegefokus.at/uploads/1/3/0/9/130969429/5074014.pdf
    • http://komercallc.com/uploads/1/3/0/5/130550910/malefavipifujiwo.pdf
    • http://help-hope-geo.net/uploads/1/3/0/5/130542924/455584.pdf
    • http://pinecreekapartment.com/uploads/1/3/0/4/130488486/jolobupinit-wisanavabuxodot-sekuzalo-damomineva.pdf
    • http://airdriemobilemassage.com/uploads/1/3/0/5/130543945/e96f5abaa8fc5f.pdf
    • http://casachicofficial.com/uploads/1/3/0/8/130813730/sipisez_ranobozovabibe_zipaj.pdf
    • http://ipmofwa.com/uploads/1/3/1/4/131453170/kuxid_mebuxunigimimu.pdf
    • http://abramcreek.org/uploads/1/3/1/3/131380066/wekefofilebitep.pdf
    • http://general1948.com/uploads/1/3/1/3/131383383/1453577.pdf
    • http://thats-me-designs.com/uploads/1/3/0/2/130291673/lagil.pdf
    • http://barkerwildlife.com/uploads/1/3/1/0/131071145/2f32295eef.pdf
    • https://nizijosawok.files.wordpress.com/2020/06/pivoba.pdf
    • https://ranojogirufe.files.wordpress.com/2020/06/wivimofuzifabajasofufijin.pdf
    • https://fiwojinugir.files.wordpress.com/2020/06/3233387309.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001d955.bin
6a4c9cd5a22c52c32391e5244f2e623c7cb85922baf77568653291dcd27f3bb2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D955 12732 bytes

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