Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7a83caa8aa3c2c1…

MALICIOUS

PDF

43.0 KB Created: 2020-03-22 07:05:09 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 730cee16378ab9c402c24846d0a42a14 SHA-1: e832a063af566f6c27cad3f31f7df90f43f3071b SHA-256: a7a83caa8aa3c2c1d3b5a390d442c5ca8afee6c027c2c225002fa8cf0a48129d
62 Risk Score

Malware Insights

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

This PDF file contains a large number of external links, indicating it is part of a link farm or SEO spam campaign. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, identifying 25 external links. The embedded document body text, though heavily obfuscated, contains URLs that are also present in the list of extracted URLs. The primary purpose appears to be directing users to a network of websites, likely for malicious redirection or content delivery.

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://shanellrene.com/uploads/1/3/0/9/130970009/130970009.html#platero+y+yo+pdf+descarga
    • http://www.registerdoglitter.com/uploads/1/3/0/8/130814666/sivakalo_xuwojosifumugat_wafukurexiv_wojalevufexa.pdf
    • http://staffordpainting.net/uploads/1/3/0/6/130621603/8519138.pdf
    • http://boominworld.com/uploads/1/3/0/7/130775293/bemoxeboxugasip.pdf
    • http://figgylicio.us/uploads/1/3/0/2/130289613/694ab19bf9a0b18.pdf
    • http://www.shaneaustinsimon.com/uploads/1/3/0/6/130620467/55ffec3ee25b2.pdf
    • http://www.connecttothecitysewer.com/uploads/1/3/0/6/130604036/3285720.pdf
    • http://eyeslipsandlashes.com/uploads/1/3/0/3/130379202/f5a856e.pdf
    • http://laborrelationspro.com/uploads/1/3/0/8/130813782/7279108.pdf
    • http://hostmaster.temposhop.co.uk/uploads/1/3/0/5/130588503/tusujipeve-supunamunonuse.pdf
    • http://www.alexluscombe.com/uploads/1/3/0/7/130738553/4548631.pdf
    • http://nwsconstruction.info/uploads/1/3/0/6/130639239/137cedfd7a32898.pdf
    • http://hivedeep.com/uploads/1/3/0/2/130287991/fafb5a61ba0.pdf
    • http://drakealexanderwalling.com/uploads/1/3/0/7/130740127/xatif.pdf
    • http://bhamiltondesign.com/uploads/1/3/0/7/130775115/tipilomugemoz.pdf
    • http://millark.net/uploads/1/3/0/5/130551137/mewetevenezogoj-betosud.pdf
    • http://sandeebrown.com/uploads/1/3/0/5/130546237/0ddbc97682f2.pdf
    • http://www.cottonwoodlanedesigns.com/uploads/1/3/0/2/130289232/8410765.pdf
    • http://naturaloregonbirth.com/uploads/1/3/0/7/130776326/kejasawofolajuluwiw.pdf
    • http://tjscatering44.com/uploads/1/3/0/5/130539933/zuseketanili.pdf
    • http://goldenhawksband.com/uploads/1/3/0/5/130551775/sevezaveralebas.pdf
    • http://sapientadvisorsgroup.net/uploads/1/3/0/7/130739210/nibubaduvogab-pexeropizunuxib-wowixusexegefe-wugiduweterot.pdf
    • http://healingwatersrvpark.com/uploads/1/3/0/5/130590217/3657570.pdf
    • http://newvisionyouth.org/uploads/1/3/0/2/130272509/sowuj-jipew-varofegelugaz-dizazuxuvozokeb.pdf
    • http://www.jacarlsontrumpet.com/uploads/1/3/0/4/130489025/7758456.pdf
    • http://sampledance.com/uploads/1/3/0/6/130640229/9346029.pdf
    • http://newvisionyouth.org/uploads/1/3/0/2/130272509/sowuj-jipew-v
    • 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_off00007c71.bin
0d887a8ffb5bee93628284fafa90d58566790099a2de27f0e415c0c8917d2b4e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C71 9192 bytes