Malicious PDF — malware analysis report

Static analysis result for SHA-256 8702dc60ec2192a3…

MALICIOUS

PDF

39.2 KB Created: 2020-04-04 15:50:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 76202c12460454c21dcb8c80c5285223 SHA-1: 4790abf80167b313149ac8b9a19a8fd297968224 SHA-256: 8702dc60ec2192a380403710f6ec4acb7149d319ca425f873465a866fa1774ab
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to other PDF files hosted on various domains, indicating a link farm or SEO abuse tactic. The document body itself is largely unreadable, but the presence of numerous external links suggests a malicious intent to redirect users to potentially harmful content or generate ad revenue. No scripts were extracted from this sample.

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://beocalgary.com/uploads/1/3/0/5/130542909/130542909.html#diagrama+electrico+de+una+gasolinera
    • http://whatagame.club/uploads/1/3/1/4/131438379/888332.pdf
    • http://sensoryexperienceforwomen.com/uploads/1/3/0/5/130551434/fozoniwupoxunukinu.pdf
    • http://randomgraphix.co.nz/uploads/1/3/1/4/131408849/e4cf03.pdf
    • http://gatorade5v5usa2018.com/uploads/1/3/0/6/130639396/beloj.pdf
    • http://neurodevelopmentandhealingbydesign.com/uploads/1/3/0/6/130639209/58ded7e773f767c.pdf
    • http://4011sports.com/uploads/1/3/0/8/130814176/fiderakamawedef_penowexuru_purol_bowepamux.pdf
    • http://thathealthylyfe.com/uploads/1/3/0/5/130539479/ralawonij.pdf
    • http://naturallykarmah.com/uploads/1/3/0/3/130323375/rosivebuzemijev-tujuweparol-xifixaj.pdf
    • http://yellowpummelo.net/uploads/1/3/0/5/130588675/1d357e6.pdf
    • http://dipnetwork.info/uploads/1/3/1/3/131380258/8493951.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_off00006ec0.bin
2d01ff3ee4755bcf2f009f6ea5ba687c158369870d42b1eb462b94545a5e4594		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EC0 8684 bytes

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