Malicious PDF — malware analysis report

Static analysis result for SHA-256 f58d7f2077a77753…

MALICIOUS

PDF

37.4 KB Created: 2020-05-20 08:58:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff6d2663c31afaf312f9f16db5117a28 SHA-1: 75cf6e3032e4a88513e57d0c084632ec21ce55ce SHA-256: f58d7f2077a77753219ac64157e5cb681d2f4ee36ba858cf3dd098163edace1d
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body and extracted URLs suggest a lure for downloading software, specifically mentioning 'Clash royale on pc download'. The primary attack pattern involves directing users to a link farm, likely for monetization or further malware distribution. 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://kresekbag.net/uploads/1/3/0/6/130603850/130603850.html#clash+royale+on+pc+download
    • http://s2bp.com/uploads/1/3/0/5/130547112/nowuzekejizivo.pdf
    • http://simply-beautiful-online.com/uploads/1/3/1/4/131407365/xogizalatobiw_wejekawejo.pdf
    • http://davis-vision.net/uploads/1/3/0/7/130739116/xadowibazet_rojokap.pdf
    • http://brokeragesample.com/uploads/1/3/0/7/130739336/xulide.pdf
    • http://catchcalifornia.com/uploads/1/3/1/3/131381806/e76d7bdc83eb.pdf
    • http://taylormaids.org/uploads/1/3/1/3/131398009/jixuk.pdf
    • http://villasattristant.org/uploads/1/3/0/4/130478868/potijuxatiduveforab.pdf
    • http://thegardencenterinc.org/uploads/1/3/0/8/130814475/5082550.pdf
    • http://indulgencefacestudio.com/uploads/1/3/1/4/131406781/nenafu.pdf
    • http://ccpropertyinvestment.com/uploads/1/3/0/7/130740072/1410260.pdf
    • http://olmcsauction.org/uploads/1/3/0/9/130968926/zuvibas.pdf
    • http://morrison-square.com/uploads/1/3/1/3/131384058/6794754.pdf
    • http://northpoleopticalandeye.com/uploads/1/3/0/5/130540559/9390032.pdf
    • http://alexdarin.com/uploads/1/3/1/4/131438459/f6e34197370c762.pdf
    • http://fitrighthome.com/uploads/1/3/0/8/130814341/6848640.pdf
    • http://timmersdesignanddrafting.com/uploads/1/3/0/6/130639059/vupojoba.pdf
    • http://roxyredstonemusic.com/uploads/1/3/1/4/131407901/31a010eb101936b.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_off000065ad.bin
2c5d426448364c78310e86884fd2de22d5fc57542371ec96de793b8ebc485827		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65AD 10688 bytes

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