Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2cc7c22f6f56fc1…

MALICIOUS

PDF

37.6 KB Created: 2020-05-14 03:25:28 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 45ce8388915ffe784ed947929b95619d SHA-1: c66516c854b70743885882baf153cfede46ae27e SHA-256: a2cc7c22f6f56fc19996b8deca26b1bdaa86695e80e496795d551162945e6c5f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a technique often used for SEO poisoning or to distribute further malicious content. The document body itself is heavily obfuscated but contains references to URLs that are also present in the heuristic findings. No scripts were extracted, limiting the ability to determine specific payload delivery mechanisms.

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://circuitriderscowboychurch.org/uploads/1/3/1/3/131383333/131383333.html#honeywell+humidifier+hwm705wcd1+manual
    • http://jesalynmaeharper.com/uploads/1/3/0/6/130604548/xoruzosefigigeka.pdf
    • http://realtorsatwork.com/uploads/1/3/0/8/130814460/1083964.pdf
    • http://lakeandplain.com/uploads/1/3/1/6/131637273/7777fd067.pdf
    • http://maria-cipriano.com/uploads/1/3/1/3/131383933/4703233.pdf
    • http://drperryslp.com/uploads/1/3/0/6/130604065/8505963.pdf
    • http://educatoryx.com/uploads/1/3/0/7/130740504/dajamejurowemelis.pdf
    • http://keeganvanhook.com/uploads/1/3/0/7/130739876/96d315cc.pdf
    • http://replayrentals.net/uploads/1/3/0/3/130313086/gawagadazin.pdf
    • http://shelleysweetnsavvy.net/uploads/1/3/0/2/130271031/4266053.pdf
    • http://pixielair.shop/uploads/1/3/0/6/130620835/7ec70da3.pdf
    • http://flawlessnichecleaning.com/uploads/1/3/0/4/130483443/276a86e8d15b731.pdf
    • http://calgaryvirtualassistant.com/uploads/1/3/0/5/130588679/63406c975a467.pdf
    • http://punchbowlrecords.com/uploads/1/3/1/1/131164324/bokijudeki-wolebojomokun.pdf
    • http://weekendwarriorchiropractic.com/uploads/1/3/1/8/131871480/caad4f4d562c4.pdf
    • http://exploringjack.com/uploads/1/3/0/6/130639567/butiwikisufejo.pdf
    • http://cleanntimee.com/uploads/1/3/0/7/130775362/b28d02.pdf
    • http://brainwirelab.com/uploads/1/3/1/1/131163684/4588d4b602ab6.pdf
    • http://frenchtons.com/uploads/1/3/0/8/130813906/valebivetokufivedidi.pdf
    • http://colorfulmindsaustin.org/uploads/1/3/0/6/130639805/dowutom-loxilewu.pdf
    • http://eurekawaldorfinspiredhomechildcare.org/uploads/1/3/0/4/130491063/9030234.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_off000067ef.bin
cc3ed27422e1c595d9ceeccce71badf884d491b31d672667c6598d8a3bf0ddc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67EF 10120 bytes

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