Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ab342cee4961784…

MALICIOUS

PDF

40.3 KB Created: 2020-03-23 07:07:21 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 06ceeb09f647f432d1a9acf50f8cb4ba SHA-1: 8e022e010c4f0b6c88794a8e61e7a1d92c553833 SHA-256: 9ab342cee4961784c09553db76fe40adca43abd9b81e17df7b2997753b325767
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The ML classifier strongly indicated maliciousness. The document body text, while partially corrupted, includes a URL that is also present in the list of extracted URLs, suggesting a deliberate attempt to link to external content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://pcbgolf.net/uploads/1/3/0/7/130738998/130738998.html#a+que+equivale+un+decilitro+de+aceite
    • http://mx.carnation4th.org/uploads/1/3/0/5/130590671/d2ea892248b2e.pdf
    • http://phoenixheavyequipmentparts.com/uploads/1/3/0/7/130775542/01a13cf.pdf
    • http://hostmaster.stardisc.co.uk/uploads/1/3/0/7/130775735/mixaxomujekosod.pdf
    • http://www.bowentherapybycindy.com/uploads/1/3/0/7/130775108/9250290.pdf
    • http://personalizedsudoku.com/uploads/1/3/0/8/130813738/xepofuwukiporiv.pdf
    • http://wcafethailand.com/uploads/1/3/0/2/130272438/fikunamowilanos.pdf
    • http://sjfaith.org/uploads/1/3/0/5/130540664/7451357.pdf
    • http://ladeltaoil.com/uploads/1/3/0/8/130874053/bilorasi.pdf
    • http://robertsenterprisesllc.com/uploads/1/3/0/5/130550871/42fd554712.pdf
    • http://wisdomorigin.net/uploads/1/3/0/4/130489029/bajilosonexar.pdf
    • http://www.barrettdemo5.co.uk/uploads/1/3/0/3/130323510/738068.pdf
    • http://onlymadeinthe.us/uploads/1/3/0/7/130775050/jekitisede.pdf
    • http://blueridgepralinecompany.com/uploads/1/3/0/6/130604494/86f8ee393b.pdf
    • http://newstylemarket.com/uploads/1/3/0/4/130491008/a90193cd45.pdf
    • http://evilpiggie.com/uploads/1/3/0/6/130620763/2021505.pdf
    • http://advacarehealth.com/uploads/1/3/0/7/130775498/b4f51b0b5256958.pdf
    • http://bien-etremassagereflexology.com/uploads/1/3/0/8/130813518/fogifemuzoze-jelojaz.pdf
    • http://myweeklypoolguy.com/uploads/1/3/0/6/130620380/bezesitijetap_mabibaxulejogox.pdf
    • http://siawebllc.com/uploads/1/3/0/9/130968963/dagopen.pdf
    • http://wudressing.com/uploads/1/3/0/6/130604537/wogetozu.pdf
    • http://aspenfamilymedicine.com/uploads/1/3/0/3/130379675/5815814.pdf
    • http://armandossupermarket.com/uploads/1/3/0/6/130604168/3880e2.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_off00007380.bin
1836971a75afb8a50d44c21339b5b9dce9c7b60077a522d1adfd33dd8b00afcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7380 8776 bytes

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