Malicious PDF — malware analysis report

Static analysis result for SHA-256 500c0bc38502a404…

MALICIOUS

PDF

42.2 KB Created: 2020-04-11 06:18:55 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 92cd2091ba788bee5310f5160a4a470b SHA-1: 77cbc203ce88f19657f6cdec9a970064b3a35263 SHA-256: 500c0bc38502a40499d7f8dcd5babfd71468783ec0fe9b9e2363b96c3b6d1ae7
62 Risk Score

Malware Insights

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

The PDF document exhibits a 'link farm' characteristic, embedding a large number of external URLs. This technique is commonly used to distribute malicious content or conduct phishing attacks by overwhelming search engine results or directing users to compromised sites. The document body contains garbled text and metadata, suggesting it is not intended for legitimate user interaction but rather as a vehicle for these links.

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://www.ghosthouseva.com/uploads/1/3/0/7/130740056/130740056.html#hemmle+recital+hall
    • http://shambhalaindonesia.com/uploads/1/3/0/4/130483286/1414065.pdf
    • http://tkscustomcandles.com/uploads/1/3/0/9/130968947/9626935.pdf
    • http://brancheschurchokc.org/uploads/1/3/0/7/130739891/fofosufirodivob_gapomob.pdf
    • http://barleysbeans.com/uploads/1/3/0/5/130588345/zajodijumir.pdf
    • http://homebasedbiz.info/uploads/1/3/0/8/130873728/7a6163b691a2064.pdf
    • http://soundbound.xyz/uploads/1/3/1/3/131379211/2c98bc47353.pdf
    • http://wavelengthcomic.com/uploads/1/3/0/5/130546076/a6bea9.pdf
    • http://pingtiles.com/uploads/1/3/1/3/131383588/8801487.pdf
    • http://cancerresearchsimplified.org/uploads/1/3/0/2/130272977/225f7cff73679.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_off00007b90.bin
9f2764c308596f53cc1a1a4ef4a02242d4479017c1dbda83276e5dbebdce47dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B90 8944 bytes

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