Malicious PDF — malware analysis report

Static analysis result for SHA-256 f08a7d6157bb634c…

MALICIOUS

PDF

37.5 KB Created: 2020-03-26 03:42:53 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6a13bf276930708d7cbf9f8c0c7ab7a0 SHA-1: 63e397e391fbee85c4b49f7abf7e3e588f356c9a SHA-256: f08a7d6157bb634c15b276232ffba2b0244c63e9f5a58424c7e985769281b814
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, many pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or SEO spam campaign, designed to drive traffic to potentially malicious content. The document body itself contains garbled text but includes references to software and dates, possibly as part of a lure. 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://janineibbotson.org/uploads/1/3/0/4/130483875/130483875.html#microsoft+office+professional+plus+2016+ms+project
    • http://magicalcryptofriend.com/uploads/1/3/0/4/130476168/kesidebagut.pdf
    • http://nicholasengel.com/uploads/1/3/0/7/130775282/rovekok-xodig-mamododerasate.pdf
    • http://claridgehouse.com/uploads/1/3/0/7/130775644/kafopukobigik.pdf
    • http://www.crucialiving.com/uploads/1/3/0/3/130379427/tibal-reloxamekoxu.pdf
    • http://jjfaithconsulting.com/uploads/1/3/0/7/130738993/bce2393d1ed37.pdf
    • http://brecat.com/uploads/1/3/0/3/130323291/tititamivig.pdf
    • http://jewelsbysanto.com/uploads/1/3/0/6/130604011/278a00fa.pdf
    • http://www.launchharbor.org/uploads/1/3/0/8/130814966/5304315.pdf
    • http://enhancehospitlaity.com/uploads/1/3/0/7/130739454/8824997.pdf
    • http://www.jahnachristahair.com/uploads/1/3/0/3/130379503/3b720fbed73.pdf
    • http://charitysalon.org/uploads/1/3/0/3/130313191/0175769006.pdf
    • http://www.lililalune.com/uploads/1/3/0/2/130288506/343740.pdf
    • http://blog.greenbrierhistorical.org/uploads/1/3/0/3/130323355/foxujile_zolilobive_nevogesuli.pdf
    • http://nsfwmugshop.com/uploads/1/3/0/5/130588922/wudedozokisupako.pdf
    • http://myliw.com/uploads/1/3/0/2/130288318/rekaregomewaw.pdf
    • http://rcroofingcontractor.com/uploads/1/3/0/5/130540282/1327539.pdf
    • http://dyoungsalon.com/uploads/1/3/0/6/130620520/3b0393ab2f9.pdf
    • http://joycemarshluxuryhomes.com/uploads/1/3/0/2/130272501/kigixiralolorelazamu.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_off00006b06.bin
f775531ebb55a35a18081e01fcabfdbacb04f6aed733679771e0e21a95af4d2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B06 7436 bytes

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