Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6489c7250a918a9…

MALICIOUS

PDF

117.4 KB Created: 2020-03-29 05:09:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 85880b6c6b381b4c166b47a3a1ef599a SHA-1: 5927204470907ed8746091bfe80c1413ce506b94 SHA-256: b6489c7250a918a942a8b563fc133abb178404891be5897ac13608d28e9821e3
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The primary URL extracted, http://gomriz.com/uploads/1/3/0/9/130969281/130969281.html#descargar+gran+diccionario+oxford+espa%C3%B1ol-ingles+%2F+ingles-espa%C3%B1ol+%284a+ed.%29, appears to be a lure for a dictionary download, which is a common tactic for phishing or malware distribution.

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://gomriz.com/uploads/1/3/0/9/130969281/130969281.html#descargar+gran+diccionario+oxford+espa%C3%B1ol-ingles+%2F+ingles-espa%C3%B1ol+%284a+ed.%29
    • http://radiantmothermassage.com/uploads/1/3/0/9/130969759/jananigodojajabibid.pdf
    • http://danieljsalter.com/uploads/1/3/0/4/130476586/mopafiv-lunepipori-konezo-sorewem.pdf
    • http://2003ebaenglandscotlandtrip.com/uploads/1/3/0/6/130620937/razir-likijadatibo.pdf
    • http://www.thesistermum.com/uploads/1/3/0/6/130639842/zijojodabobew-baxim-jirafewividomo-tipewagomaga.pdf
    • http://www.taurusironbike.net/uploads/1/3/0/6/130639616/719414.pdf
    • http://secrethistoriesbook.com/uploads/1/3/0/7/130739264/rutimarolexo-pokefino-dejuzipetevav-luxopasera.pdf
    • http://davinche.co.uk/uploads/1/3/0/2/130287995/1938137.pdf
    • http://ruskell.org/uploads/1/3/0/8/130874121/4401726.pdf
    • http://seeatlsights.com/uploads/1/3/0/8/130814448/2085121.pdf
    • http://www.reconciliationlab.com/uploads/1/3/0/8/130874320/7092270.pdf
    • http://rentacarwithtouristsbutlernaples.com/uploads/1/3/1/4/131406115/9527811.pdf
    • http://mishevski.de/uploads/1/3/0/7/130740013/999598.pdf
    • http://officialgoodboys.club/uploads/1/3/0/6/130621404/5751274.pdf
    • http://www.sandraguardadomft.com/uploads/1/3/0/9/130969718/34e25453.pdf
    • http://icybbkollection.com/uploads/1/3/0/5/130539251/6554406.pdf
    • http://nworegon.net/uploads/1/3/0/7/130738537/e4553.pdf
    • http://opencomputehardware.com/uploads/1/3/0/2/130288318/bimikuxe.pdf
    • http://ministeringwithmegan.com/uploads/1/3/0/5/130589202/4354275.pdf
    • http://flyingchange.farm/uploads/1/3/0/7/130776065/tuputajurasid_defotupuv_batumud_kanolasiwepijig.pdf
    • http://alleannaharris.com/uploads/1/3/0/6/130639953/bizimup.pdf
    • http://shop.azrhythmconnection.com/uploads/1/3/0/6/130621322/ziropejemilob.pdf
    • http://www.savemoneyauto.com/uploads/1/3/0/5/130550998/7115020.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_off00019eee.bin
9a76867079413700c59671dec8c79e4c5ccac2c076cdefe8f32e3567a775b82d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19EEE 10528 bytes

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