Malicious PDF — malware analysis report

Static analysis result for SHA-256 92294150e6466510…

MALICIOUS

PDF

38.8 KB Created: 2020-03-10 14:49:32 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: e7a62c8c7fe05631a47112a2aef64a5a SHA-1: 19560da017fb9d6de6935a0dadc9fdcc04934cbf SHA-256: 92294150e64665103536efd5ead892b08e4b34ed22ae83b92429bc1cd53f3667
72 Risk Score

Malware Insights

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

The PDF document contains a lure for a fake 'acknowledgement of debt form' and hosts a large number of external links, many of which point to other PDF files. This suggests a link farm or redirection scheme designed to host malicious content. The primary URL http://host29.carmichaelnl.com/uploads/1/3/0/7/130739446/130739446.html#acknowledgement+of+debt+form+free+download is presented as the download source.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://host29.carmichaelnl.com/uploads/1/3/0/7/130739446/130739446.html#acknowledgement+of+debt+form+free+download
    • http://www.aniawjewelry.com/uploads/1/3/0/3/130323277/43b272653a.pdf
    • http://tantonedobeautycenter.trustabiz.com/uploads/1/3/0/6/130639750/xodab.pdf
    • http://hippotreats.com/uploads/1/3/0/7/130776033/9758656.pdf
    • http://cup054.com/uploads/1/3/0/6/130621135/24b2201aac2.pdf
    • http://lilacpreston.com/uploads/1/3/0/6/130605174/godopenob.pdf
    • http://boilerpetespickup.com/uploads/1/3/0/4/130435844/6049aea101.pdf
    • http://creativeideasetc.com/uploads/1/3/0/9/130968933/fc615a0a5c.pdf
    • http://www.naimahusseini.de/uploads/1/3/0/2/130273804/5505f76.pdf
    • http://westcoastwaterworld.com/uploads/1/3/0/6/130604633/8c299fef.pdf
    • http://www.spotlesscleaningexperts.com/uploads/1/3/0/5/130589227/058600f1.pdf
    • http://wholehealthdiscoverycenter.net/uploads/1/3/0/6/130621581/detodawoxabidop-dibiru-fugeluvenibu-tofavaxow.pdf
    • http://dalebagley.com/uploads/1/3/0/9/130969304/46147b76.pdf
    • http://solutioncities.com/uploads/1/3/0/4/130478067/7d5ed261.pdf
    • http://miguelfreireradio.com/uploads/1/3/0/8/130813797/7339d.pdf
    • http://upktools.com/uploads/1/3/0/4/130489898/nerim.pdf
    • http://rainbibleschool.net/uploads/1/3/0/6/130621557/rajuxe_najokekepube_luwolaxawul.pdf
    • http://muzo-emeralds.net/uploads/1/3/0/8/130814390/vokorizinevuwigor.pdf
    • http://lizardkingmedia.net/uploads/1/3/0/5/130541064/1009356.pdf
    • http://misssampson.com/uploads/1/3/0/6/130620626/nigajoruwuwugezar.pdf
    • http://graystoneequitypartners.com/uploads/1/3/0/5/130539492/5290739.pdf
    • http://yowza-online.com/uploads/1/3/0/6/130620325/1bf43fbb10.pdf
    • http://fourgloss.com/uploads/1/3/0/7/130775682/82f5824.pdf
    • http://tecnotenerife.com/uploads/1/3/0/2/130289295/bapivar.pdf
    • http://threebrothers.co/uploads/1/3/0/2/130274024/dobidokupolemunufi.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_off000071bd.bin
608b32a692b4dfb03aa13c42c776f11344f45826e5a1bccedc053befdde96284		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71BD 6840 bytes

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