Malicious PDF — malware analysis report

Static analysis result for SHA-256 b80c021911bd7f3b…

MALICIOUS

PDF

49.5 KB Created: 2020-03-18 06:26:07 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c44b63333297a554fcb3af05933669f6 SHA-1: 5ef471827fd5155850d6921973e8b1847658465e SHA-256: b80c021911bd7f3b17457ab5b73a9a30215d0af952350a10e87517ebf7ca18a7
102 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link

The PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm for SEO manipulation or to host malicious content. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's text is designed to trick the user into installing a browser extension or update. The embedded URLs likely serve as the destinations for these lures, potentially leading to credential theft or malware installation.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://careaidecommunity.com/uploads/1/3/0/3/130323328/130323328.html#web+services+interview+questions+javarevisited
    • http://lilyflorence.com/uploads/1/3/0/7/130775772/xezerasejowedo-tujiw-dapis.pdf
    • http://trumpdisciple.com/uploads/1/3/0/8/130815726/jogav.pdf
    • http://333polarisdesign.com/uploads/1/3/0/3/130323453/ddf390082c1cf76.pdf
    • http://webmail.biomediclife.com/uploads/1/3/0/7/130740364/fbca30992670.pdf
    • http://artbyjulieh.com/uploads/1/3/0/7/130740163/145290.pdf
    • http://memoriesinsoap.com/uploads/1/3/0/5/130588279/taterizu.pdf
    • http://www.seenthroughmyeyes.com/uploads/1/3/0/4/130488165/tepuletumomeb_tuwijozisuwi_xovudavofaxigar.pdf
    • http://autodiscover.bohannonfilmvideo.com/uploads/1/3/0/2/130288603/pefivo.pdf
    • http://pilgrimsprogresspathways.org/uploads/1/3/0/3/130323928/4a152505495.pdf
    • http://caribdistenergy.com/uploads/1/3/0/7/130775630/0e9b075f4bcbe50.pdf
    • http://autodiscover.romaleaf.com/uploads/1/3/0/6/130620474/670564.pdf
    • http://www.coastlinetilellc.com/uploads/1/3/0/5/130589104/gageguwod.pdf
    • http://www.shopwalnutmarket.com/uploads/1/3/0/7/130740124/sevifotekum_libel_pikuketusaxis.pdf
    • http://www.thecherishcards.com/uploads/1/3/0/7/130739533/dadejuvapijoxom-jubuko.pdf
    • http://justleafwell.com/uploads/1/3/0/6/130639552/kavugibitegur.pdf
    • http://whenapp.com/uploads/1/3/0/6/130621401/zubobubo-rovuriliter-vepamupowigozi.pdf
    • http://palmbeachsurfranch.com/uploads/1/3/0/6/130622048/85d30ae57aeaab3.pdf
    • http://frontdoorcredit.com/uploads/1/3/0/5/130551534/xovowar_fesegasepuwa.pdf
    • http://bombshellstudiospmu.com/uploads/1/3/0/9/130969576/xabedexebo_ropiduj_pemasotoxubom.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_off00009a2f.bin
579d1277f7362669c039c1a56b1fbfd217056f0ed1fe59b827f9cbeec960c3d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A2F 7728 bytes

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