Malicious PDF — malware analysis report

Static analysis result for SHA-256 dea9ac7b5b562da4…

MALICIOUS

PDF

40.0 KB Created: 2020-03-20 05:54:41 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8f2622a8b2fcb25e6d819bdb79baa1a9 SHA-1: 1db23853819ec4bdc59164274ba181169bcc5370 SHA-256: dea9ac7b5b562da494f21d3c5ad81b112a359137d152dd158c4fc84a69905a72
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution mechanism for further malicious content. The document body text is largely garbled but contains a reference to a multiplication table, which may serve as a lure. 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://three-ps-in-a-pod.com/uploads/1/3/0/9/130969089/130969089.html#tabla+de+multiplicar+del+4+para+imprimir
    • http://freedomlivesranch.com/uploads/1/3/1/0/131070356/2674318.pdf
    • http://quincyblanchette.com/uploads/1/3/0/5/130589208/5141553.pdf
    • http://woodthrushdesigns.com/uploads/1/3/0/4/130478009/nukuji_tiduf_titewezuwezi.pdf
    • http://flimsyfilms.com/uploads/1/3/0/3/130323235/2772136.pdf
    • http://artsywithdapaints.com/uploads/1/3/0/6/130640023/18949b8f.pdf
    • http://belenotero.com/uploads/1/3/0/8/130813428/fudanujoxofibina.pdf
    • http://www.advanceoklahoma.org/uploads/1/3/0/7/130739267/7509355.pdf
    • http://citizensarmory.net/uploads/1/3/0/7/130738711/gugewofeja.pdf
    • http://positiveenergyny.com/uploads/1/3/0/6/130604446/3465949.pdf
    • http://korvinus-production.com/uploads/1/3/0/5/130588772/9010470.pdf
    • http://research-usa.com/uploads/1/3/0/7/130740616/letuzukikivavuruwek.pdf
    • http://warriorempath.com/uploads/1/3/0/7/130740073/tufibewowesoxud-pironak.pdf
    • http://cjentzart.com/uploads/1/3/0/6/130639329/9269372.pdf
    • http://nancyellenmiller.com/uploads/1/3/0/7/130739994/17aba0a18e51f3.pdf
    • http://rockthecatspa.biz/uploads/1/3/0/8/130813797/lawasijumekesaz-dibewibenujitut.pdf
    • http://dobbsferryptsa.org/uploads/1/3/0/6/130621387/liritabuzimoju_vivubaxib.pdf
    • http://danielrinaldi.com/uploads/1/3/0/3/130379160/ccffa173.pdf
    • http://derobillard.com/uploads/1/3/0/3/130324207/5cb11a35da53.pdf
    • http://sabco.org/uploads/1/3/0/7/130739070/4311305.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_off000070ec.bin
42f040bef321807949b1900a6fc54d24f1e3cb2e1f486f900eb456ded2a9525d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70EC 8712 bytes

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