Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ee10b33eae28acf…

MALICIOUS

PDF

41.5 KB Created: 2020-04-22 03:46:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 25e578e21fa1dfcda15fd63eb33fa08d SHA-1: ffb705201e6d7d284624e194ab6fd35553aae742 SHA-256: 2ee10b33eae28acfb71ef22374105a40c5fea8e19db1d5fade853ffd962f9cf5
96 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The primary lure appears to be a 'Durban poison grow report', directing users to a suspicious URL. The ML_NYX_PDF_MALICIOUS heuristic strongly indicates malicious intent. No scripts were extracted from this sample, but the extensive link farm suggests a phishing or content-luring attack designed to redirect users to potentially compromised or malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://magicwordeditingcompany.com/uploads/1/3/0/5/130588564/130588564.html#durban+poison+grow+report
    • http://cuddle-me.com/uploads/1/3/1/3/131382700/9f99c1b.pdf
    • http://measuresofgrace.com/uploads/1/3/0/7/130775071/f34ad7994468.pdf
    • http://8vittles.com/uploads/1/3/0/2/130289682/573e4d0c2f41675.pdf
    • http://phone-fix.net/uploads/1/3/1/3/131380440/5579976.pdf
    • http://spudsrc.com/uploads/1/3/0/4/130483204/vupemurutilised-bilajevezizenel.pdf
    • http://lynseycreations4art.com/uploads/1/3/0/8/130814254/zejatukos_xaralugatomepeg_jawamuti.pdf
    • http://talluriphotography.com/uploads/1/3/0/2/130289515/5774590.pdf
    • http://funcreamor.org/uploads/1/3/0/7/130775341/50371bff4278914.pdf
    • http://ccsdcelebrates.com/uploads/1/3/1/3/131383958/eb7b786ff5.pdf
    • http://senderhouse.com/uploads/1/3/1/3/131383204/6744258.pdf
    • http://fashionandjesuspassion.com/uploads/1/3/1/6/131637640/nexutokowatitugat.pdf
    • http://reachforthestars.info/uploads/1/3/0/4/130490277/sunufimisavove.pdf
    • http://oceansaltbeauty.com/uploads/1/3/0/4/130477490/2dcba5.pdf
    • http://seven16litt.com/uploads/1/3/0/8/130814122/terebufipefaxab.pdf
    • http://heartcenteredexpressionsbykc.com/uploads/1/3/0/2/130274305/76acfea53c.pdf
    • http://8vittles.com/uploads/1/3/0/2/130289682/573e4d0c2f416
    • 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_off00007c1f.bin
806c897161ebb960025bce23fb3241d8e60836b3e03690fd98b0af39e1a2d0b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1F 7588 bytes

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