Malicious PDF — malware analysis report

Static analysis result for SHA-256 452aa04d42592ebd…

MALICIOUS

PDF

40.9 KB Created: 2020-03-17 12:51:42 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 55e3fd7b5b3527447212769bfb116ebd SHA-1: f35c0954b990faba5f69fdf2d64f9e7ba3443a64 SHA-256: 452aa04d42592ebda150bacc6963741957dbd3b6cc9e8f8ec3fa02f4c9686cd5
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files on unrelated domains, suggesting a link farm or SEO abuse tactic. The document body mentions 'Hare's psychopathy checklist revised', which serves as a lure to direct users to the embedded URLs. The primary URL points to a file on stratford-hvac.com, which is likely part of a campaign to distribute malware or conduct phishing.

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://stratford-hvac.com/uploads/1/3/0/5/130551708/130551708.html#hare%27s+psychopathy+checklist+revised
    • http://mellaflooring.net/uploads/1/3/0/6/130620546/401740.pdf
    • http://susanaborosic.com/uploads/1/3/0/8/130873783/lupulowijiwawa-zudubis-bababupedadero.pdf
    • http://nickgiamarino.com/uploads/1/3/0/6/130622051/bidefu-gazevaxojovok-wugelalemuzapo-pasup.pdf
    • http://woodenshoesailing.com/uploads/1/3/0/6/130604257/ledexaxi-lunuwuzitigev-legowidipuzubog.pdf
    • http://tylercanning.net/uploads/1/3/0/6/130639703/fipedukujemini-tuketavin-rebasamumane-xutat.pdf
    • http://my1united.com/uploads/1/3/0/6/130604724/dafajorijunakalupudi.pdf
    • http://milwaukiecentequiltshow.org/uploads/1/3/0/6/130621351/96125ded5.pdf
    • http://bands-nj.com/uploads/1/3/0/6/130620603/998424.pdf
    • http://essentialcleaning.vegas/uploads/1/3/0/6/130639608/vulagokajuge-zigajedaxinumav-xewuluvaver-tixoburabaduz.pdf
    • http://clientcreditconsultants.co.za/uploads/1/3/0/6/130605094/tetifupi-rikuwajuki-mimaxuvo-saxap.pdf
    • http://mail.hallamhounds.org/uploads/1/3/0/5/130550951/fisok.pdf
    • http://mytxreal.net/uploads/1/3/0/7/130775939/5c35f78a9fa.pdf
    • http://www.perkyguru.com/uploads/1/3/0/5/130588583/e8dd938de5b7f79.pdf
    • http://www.espacelibellules.com/uploads/1/3/0/8/130874157/vavoronosofu-wusuwajavowex-foponusajawofi-vetiletinet.pdf
    • http://vivadeeretreat.com/uploads/1/3/0/8/130873983/3ec3d9e718b.pdf
    • http://www.gregwrightillustration.com/uploads/1/3/0/4/130476006/2b501479e.pdf
    • http://www.jjsdeepcreektubes.com/uploads/1/3/0/7/130739539/geramo-noweduzejinidox.pdf
    • http://ferrona.com/uploads/1/3/0/7/130775254/3ffef024.pdf
    • http://www.tafego.org/uploads/1/3/0/2/130272979/dofuteruxi_mepibiw_xenos_zukadivuwonojid.pdf
    • http://www.twistedcultureartsfestival.com/uploads/1/3/0/4/130489358/givotoxow-finorupez.pdf
    • http://denverbikeblog.com/uploads/1/3/0/5/130542991/sifojukikupukaf-maluk-lapalutav-xativisiloj.pdf
    • http://400.jhamrick.com/uploads/1/3/0/4/130483986/nejozojupemop.pdf
    • http://samniquekahalsey.com/uploads/1/3/0/7/130740148/5835fe7.pdf
    • http://denverbikeblog.com/uploads/1/
    • 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_off000076de.bin
0d8c2528d3dc6c5523642971ad485656173012e5e9c15d8841ab49768c4f90bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76DE 7880 bytes

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