Malicious PDF — malware analysis report

Static analysis result for SHA-256 8be44554be27b149…

MALICIOUS

PDF

35.3 KB Created: 2020-06-05 00:17:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: beb68d561f60bfd08ea58f8a42c32adf SHA-1: d316ea5b16725124c8d67d7e9d18148b8d93fe29 SHA-256: 8be44554be27b1492367c09fe1422cf524cf28dfcf060d164900dd76b51aef72
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves redirecting users to a network of linked websites, likely for malicious purposes such as phishing or malware delivery. No scripts were extracted from this sample.

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://wholisticpsychotherapy.com/uploads/1/3/0/5/130588939/130588939.html#hachiko+t%25C3%25BCrk%25C3%25A7e+dublaj
    • http://sentimentalserenade.com/uploads/1/3/0/3/130379625/marozozu_peviragasen_gutuzaper_jekobezenenitu.pdf
    • http://anotherperceptionart.com/uploads/1/3/0/4/130476587/3250679.pdf
    • http://forum.toploanreview.com/uploads/1/3/0/4/130483527/7521105.pdf
    • http://bigblackcooks.com/uploads/1/3/1/0/131070198/kegefekabeji_vumolinaxox_redeximilet.pdf
    • http://violetandgrayboutique.com/uploads/1/3/0/6/130604532/gazevuvanavimurad.pdf
    • http://retailoriented.se/uploads/1/3/0/7/130739027/33461.pdf
    • http://dbrothschild.com/uploads/1/3/1/3/131382032/6cbd1ca08d18f3.pdf
    • http://pistachiosbulk.com/uploads/1/3/0/3/130379653/829789.pdf
    • http://customelectrical.net/uploads/1/3/0/5/130588360/8564592.pdf
    • http://miramareyelooks.net/uploads/1/3/0/3/130324289/xabaxorer.pdf
    • http://melbournetreespecialist.com/uploads/1/3/0/2/130288798/3321928.pdf
    • http://hostmaster.mutualdialogue.co.uk/uploads/1/3/0/5/130588551/nagusekejarenuvoxe.pdf
    • http://jotemdownfl.com/uploads/1/3/1/6/131606149/duvejopiwi.pdf
    • http://thirdgradedetectives.com/uploads/1/3/0/7/130740012/dibuluwimatatesuj.pdf
    • http://wholisticpsychotherapy.com/uploads/1/3/0/5/130588939/terms.html
    • http://wholisticpsychotherapy.com/uploads/1/3/0/5/130588939/dmca.html
    • http://wholisticpsychotherapy.com/uploads/1/3/0/5/130588939/policy.html
    • https://sorimos.files.wordpress.com/2020/06/kewamizi.pdf
    • https://zinisarov424395058.files.wordpress.com/2020/06/bisajepezudaxufomur.pdf
    • https://nonifaxaxe.files.wordpress.com/2020/06/41883557880.pdf
    • https://tezebex184715663.files.wordpress.com/2020/06/xakojefamafirafixolu.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_off00005bf7.bin
7adccb23b20f60f00157ffc7fcb7bbbb5ca97d8e20dc87a6cf4daf0d747f0c74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BF7 11092 bytes

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