Malicious PDF — malware analysis report

Static analysis result for SHA-256 76012c929fd1466f…

MALICIOUS

PDF

46.7 KB Created: 2020-03-08 08:45:45 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6c824e8214e16a291c8db017c5156213 SHA-1: a9245f8ea2860c4d18c0511fba34b7f22e480fd7 SHA-256: 76012c929fd1466f3d31bd030d6527086a02d11ead4daadc2ff51fa015094d79
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are hosted on domains that appear to be part of a link farm. The document body text, though partially corrupted, suggests a lure related to reducing PDF size. The primary heuristic identified a link farm structure, indicating a likely attempt to direct users to malicious or deceptive content hosted across multiple domains. 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://hotelfullerton.devsite-1.com/uploads/1/3/0/3/130313619/130313619.html#reducir+tama%C3%B1o+pdf+sin+perder+calidad
    • http://detroitfitclub.com/uploads/1/3/0/3/130323211/kuremijederewalubir.pdf
    • http://aliahjan.co.nz/uploads/1/3/0/5/130551621/912431.pdf
    • http://runningshoesusa.com/uploads/1/3/0/5/130551904/6251804.pdf
    • http://davidfert.com/uploads/1/3/0/2/130272350/fewisik-xuvukekubimapot.pdf
    • http://browngreasefuel.com/uploads/1/3/0/5/130589252/8257085.pdf
    • http://onehundredpieces.com/uploads/1/3/0/4/130483136/75ca2025.pdf
    • http://hostmaster.rahimaferguson.co.uk/uploads/1/3/0/2/130272414/tolarolofifa.pdf
    • http://hotellable.com/uploads/1/3/0/4/130435661/midewawapekamukome.pdf
    • http://mrsjessicamocksclass.com/uploads/1/3/0/8/130874371/pifoxagak.pdf
    • http://mcmaxx.com/uploads/1/3/0/6/130603930/4224112.pdf
    • http://socialoverlay.net/uploads/1/3/0/7/130776100/4f90aaa99d1d76.pdf
    • http://jozibestwomensclinic.com/uploads/1/3/0/5/130588503/6792945.pdf
    • http://www.chrisloganministries.com/uploads/1/3/0/4/130483318/gizokibujetijakix.pdf
    • http://www.appacondos.com/uploads/1/3/0/3/130379227/jiwepin.pdf
    • http://studiocitynorth.com/uploads/1/3/0/6/130605390/67f3e28e21aa1ad.pdf
    • http://jeremyhoover.com/uploads/1/3/0/4/130435649/8374688.pdf
    • http://vegancenter.net/uploads/1/3/0/4/130489367/9570ad1b3f.pdf
    • http://goatsarefucked.com/uploads/1/3/0/4/130435813/pibevon-zeronukubakez.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_off00008951.bin
3a58838ac1abc649751fbc8b73fac094827040db3b8f31afe0349dd6d690a96c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8951 9484 bytes

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