Malicious PDF — malware analysis report

Static analysis result for SHA-256 aaadc10208df8030…

MALICIOUS

PDF

39.2 KB Created: 2020-03-09 11:55:56 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5e0aa8749b264e6a42a2dfe7bf6991f5 SHA-1: a451f227b12be7282bed88ad594530a2b54286a0 SHA-256: aaadc10208df8030ec7055d05461fde49fd153f8ba308845fb9c54f8c55ba9b2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a method to distribute malicious content across multiple sites. The document body contains text related to job descriptions, 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://taojinyingkaihushouxuanhailifang.br3h.com/uploads/1/3/0/5/130590157/130590157.html#assistant+project+manager+job+description+construction
    • http://uglypotatogirl.com/uploads/1/3/0/5/130550931/vobesokudola.pdf
    • http://owenssales.com/uploads/1/3/0/7/130775743/kolirewota.pdf
    • http://maxmobility.net/uploads/1/3/0/5/130589371/lodobat.pdf
    • http://apccrc.net/uploads/1/3/0/5/130588989/dowupik.pdf
    • http://currentstates.com/uploads/1/3/0/6/130620607/kozifafediwavareb.pdf
    • http://brc-management.com/uploads/1/3/0/3/130379386/kakuse.pdf
    • http://galenetics.org/uploads/1/3/0/6/130605403/0d49bd2aed139.pdf
    • http://gubaogongkaisaizaixiantouzhu.br3h.com/uploads/1/3/0/7/130776775/sigoxuxukuten_fadodufo_venuduterexun.pdf
    • http://www.mrccustomdesigns.com/uploads/1/3/0/2/130288430/dajefumanesi-duwun.pdf
    • http://metroheatingandair.com/uploads/1/3/0/4/130488251/cfebf5f81e609.pdf
    • http://www.inmotiontherapy.co.uk/uploads/1/3/0/3/130379135/7726814.pdf
    • http://nelslehtinen.com/uploads/1/3/0/5/130545745/2eca6.pdf
    • http://www.littlecubs.co.uk/uploads/1/3/0/4/130478819/mivarorujevaj.pdf
    • http://corningpublictheater.org/uploads/1/3/0/7/130775509/rosaralujopo.pdf
    • http://www.bellasoletan.com/uploads/1/3/0/5/130547771/1097362.pdf
    • http://fatfightingmom.com/uploads/1/3/0/2/130271184/loxisifaxa.pdf
    • http://actionsportsindex.net/uploads/1/3/0/4/130435717/2307560.pdf
    • http://kronx.com/uploads/1/3/0/6/130620557/2ba0ecd.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_off00006fc7.bin
44992ed7ead63a0d2c057a6b06d89fb2cad419444fc84225b806b1844ce0a4d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FC7 8204 bytes

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