Malicious PDF — malware analysis report

Static analysis result for SHA-256 91b459523f0f025d…

MALICIOUS

PDF

42.6 KB Created: 2020-03-30 09:37:25 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4e8a831228c12e98be94a236397d5263 SHA-1: 0d78c711f0f3687116b8d0980ed5dc44408854ad SHA-256: 91b459523f0f025d057cc0bd652879b86221c9b83292f30a07f9343b8bc89940
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting it is part of a link farm or SEO spam operation. The document body, though partially corrupted, contains text related to 'biblical texts' and 'lord's supper', which is likely a lure to disguise the malicious intent. The primary goal appears to be directing users to a network of websites hosted on various domains, potentially for further exploitation or malicious 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://iweargreatness.com/uploads/1/3/0/2/130274256/130274256.html#textos+biblicos+de+la+cena+del+se%C3%B1or
    • http://timesavingdevice.com/uploads/1/3/0/7/130738997/kuretolajataw-wilosopunij-sugofuvejez.pdf
    • http://74-123-79-110.mgwnet.com/uploads/1/3/0/3/130379110/33c8ff75.pdf
    • http://bvntheatre.org/uploads/1/3/0/6/130621506/8668507.pdf
    • http://frenchcreche.com/uploads/1/3/0/5/130541744/gaxudanurax_tisuzafol_gotebi.pdf
    • http://christine-smithdesign.com/uploads/1/3/0/6/130603943/3080545.pdf
    • http://honnauto.com/uploads/1/3/0/4/130475997/9906044.pdf
    • http://penninsulatech.com/uploads/1/3/1/4/131454986/labaronolunuro-muremoremo-kopexuxag.pdf
    • http://jmnofixedaddress.com/uploads/1/3/0/4/130476342/3e2c63d20dd.pdf
    • http://www.omn.omnisens.com/uploads/1/3/1/3/131383548/lutumebojoturis.pdf
    • http://jrptransportndelivery.com/uploads/1/3/0/5/130588145/6682946.pdf
    • http://doolade.maraludwig.com/uploads/1/3/0/6/130622066/barejupezej.pdf
    • http://anabelle-designs.com/uploads/1/3/0/6/130620885/7678823.pdf
    • http://www.lyjro.co.uk/uploads/1/3/0/7/130739536/dakur.pdf
    • http://charlie-myers.com/uploads/1/3/0/6/130639249/gusafukulurezejo.pdf
    • http://grabbagdepot.net/uploads/1/3/0/6/130621554/fd45873.pdf
    • http://cajunyoga.com/uploads/1/3/0/4/130477492/rezuvekorakiko_rimumalumot_periwibisuvito_resogaletuf.pdf
    • http://essencenz.co/uploads/1/3/0/8/130874163/62182.pdf
    • http://christredeemedsoul.com/uploads/1/3/0/6/130639905/wovewikerakapev.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_off00007a12.bin
871ae146aa728b94942d72918879270637c0d45cc1791a87e82ae02138ba9a70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A12 8968 bytes

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