Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1483852f0c678b6…

MALICIOUS

PDF

42.8 KB Created: 2020-03-26 14:58:20 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6c02c0863b77f0d022e9797c7304e67d SHA-1: 1843475d3d82f94358e752eaf38d723903d548df SHA-256: f1483852f0c678b6c82f887629835263b7359e791bf52aa444914a45da6c994a
62 Risk Score

Malware Insights

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

The PDF file contains numerous embedded URLs pointing to a large number of similarly structured PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a malicious intent to either generate traffic or host malicious content. The document body itself is largely unreadable, but the presence of URLs like 'http://globaly.services/uploads/1/3/0/3/130323328/130323328.html#que+es+una+nota+periodistica+y+sus+caracteristicas+para+ni%C3%B1os' suggests a potential lure or content redirection.

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://globaly.services/uploads/1/3/0/3/130323328/130323328.html#que+es+una+nota+periodistica+y+sus+caracteristicas+para+ni%C3%B1os
    • http://venatura.solutions/uploads/1/3/0/4/130478760/5048e7f0ea.pdf
    • http://www.localadzs.com/uploads/1/3/0/5/130588493/85b70.pdf
    • http://www.garybmanning.com/uploads/1/3/0/2/130288483/2000171.pdf
    • http://xianjinduboyouxi.br3h.com/uploads/1/3/0/8/130813054/8394a.pdf
    • http://mymmtx.com/uploads/1/3/0/5/130540208/4995710.pdf
    • http://www.growcapitalfinance.com.au/uploads/1/3/0/8/130874001/nulipaleviweki-nofelotoreb-fuviwakavugiko-lezega.pdf
    • http://ieready.com/uploads/1/3/0/8/130813132/sotasesidoz_vujutufarunaku.pdf
    • http://mx.famoscarpentry.com/uploads/1/3/0/6/130620674/7731405.pdf
    • http://www.paperstories.co.uk/uploads/1/3/0/4/130483385/tarasadapejuku.pdf
    • http://www.misssurfingchef.com/uploads/1/3/0/7/130740563/relexujegarejev.pdf
    • http://breakthroughnlp.net/uploads/1/3/0/6/130605222/tefekidemepijeg_weviba_penedu.pdf
    • http://mobilhomebluesky.com/uploads/1/3/0/6/130604731/vewemusamufigev.pdf
    • http://mail.squancampaign.com/uploads/1/3/0/8/130813975/3635838.pdf
    • http://www.christianmchoi.com/uploads/1/3/1/1/131163833/9008295.pdf
    • http://www.vesselsofcomfortministries.com/uploads/1/3/0/7/130775531/retoxovegijegu_dujibetutotij.pdf
    • http://www.deadstockaus.com/uploads/1/3/0/6/130604955/852fdaf5de234.pdf
    • http://findyourhairdresser.com/uploads/1/3/0/5/130590257/furikaj.pdf
    • http://hondaaccord.site/uploads/1/3/0/6/130605358/guzipotu-bilimopabodejas.pdf
    • http://libertyfiltration.com/uploads/1/3/0/5/130589431/mejudejuri_kugurididaxudew_pipojalivulivi_tisebevusesaka.pdf
    • http://wuhanrobotweld.com/uploads/1/3/0/5/130543991/wikanemebiw.pdf
    • http://www.griffycreekstudio.com/uploads/1/3/0/3/130379145/tetuvagorosu.pdf
    • http://thelatenightrecordshop.com/uploads/1/3/0/7/130775951/9539452.pdf
    • http://juliaplaysaccordion.com/uploads/1/3/0/5/130551324/dupogasorafuwum-mawufirepa-doluvogu.pdf
    • http://thelatenightrecordshop.com/up
    • 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_off00007958.bin
410b594fa5b72151452aaf73533016f15c4eb955f584ab797b9a6c5029e50cf6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7958 9124 bytes

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