Malicious PDF — malware analysis report

Static analysis result for SHA-256 c37471ec47eaca95…

MALICIOUS

PDF

39.2 KB Created: 2020-03-30 11:48:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 42d5a88f84d07909236acb799e5fa387 SHA-1: 5ab9ca46adcf402088f8367807387cd7c0a2b2df SHA-256: c37471ec47eaca95db6e93eed4153c4be4e057883af8383112430e648d837239
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The embedded document body text, while partially corrupted, includes a URL that is also present in the list of extracted URLs. This suggests the primary function of this PDF is to redirect users to a network of websites, likely for SEO spam or to host further malicious content. 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://rebeccalaplacaattia.com/uploads/1/3/0/7/130776055/130776055.html#over+the+castle+on+the+hill+lyrics+meaning
    • http://anyroofnow.net/uploads/1/3/0/6/130639373/xubisenajidupis_fuvag_xebixidifa.pdf
    • http://maru-nan.com/uploads/1/3/0/9/130969718/luganinazi.pdf
    • http://mta-sts.tuffbuiltproducts.com/uploads/1/3/0/9/130969118/nekebenojut.pdf
    • http://tanyasaccounting.com/uploads/1/3/0/5/130589409/jikofu_xanaretusiwi.pdf
    • http://stpatsbinghamton.org/uploads/1/3/0/5/130547969/2f6abd3837.pdf
    • http://killermac.com/uploads/1/3/0/6/130620387/f291c28684844.pdf
    • http://motorclubbing.com/uploads/1/3/0/7/130738716/301ab3e8116d46a.pdf
    • http://sbjoinery.net/uploads/1/3/0/7/130776632/9866773.pdf
    • http://ageniart.com.au/uploads/1/3/1/4/131409442/vijoloxipolise.pdf
    • http://neindigenousarts.org/uploads/1/3/0/9/130969419/52f1b55.pdf
    • http://aa.www.apharwat.net/uploads/1/3/0/2/130289455/geludivon-sajokedu-nakexif-fofagafiven.pdf
    • http://myhugonline.com/uploads/1/3/0/6/130620628/3392806.pdf
    • http://h20poolpro.com/uploads/1/3/0/5/130590475/c0398.pdf
    • http://byronbaycompassionatecommunication.com/uploads/1/3/0/3/130313641/3236985.pdf
    • http://whitesands2025.com/uploads/1/3/0/6/130621997/e0f47.pdf
    • http://rickcomandich.info/uploads/1/3/0/7/130776167/bomuw-savazipadufori-bebuvowidivup-rusegib.pdf
    • http://extratouchgifts.com/uploads/1/3/0/6/130603861/2085285.pdf
    • http://interpocketllc.com/uploads/1/3/0/4/130477346/sozelo-tadekit-revizekubujis.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_off000072c4.bin
1384231a296978247001495d2815962df3a77ef3a2e3c31a22901e05402bf71b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72C4 7536 bytes

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