Malicious PDF — malware analysis report

Static analysis result for SHA-256 996c33a9dd933b46…

MALICIOUS

PDF

42.6 KB Created: 2020-03-13 07:20:50 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0531aada91166070b08d0769a781a159 SHA-1: 283f6e95c3c64de2d8f47e255eb00dd75ffd362a SHA-256: 996c33a9dd933b46539a4965daaf00e8d26d691a1bd210a39e96c95d2d9dea70
70 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to PDF files hosted on unrelated domains. One specific URL, http://zo2yd.slpny.com/uploads/1/3/0/8/130874160/130874160.html#ikea+kallax+instructions+4+cubes, is embedded within the document body and appears to be a lure, disguised as IKEA instructions. This suggests a link farm or redirection scheme designed to lead users to malicious content.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://zo2yd.slpny.com/uploads/1/3/0/8/130874160/130874160.html#ikea+kallax+instructions+4+cubes
    • http://tjmcauley.com/uploads/1/3/0/4/130475918/1b3e22b82e1.pdf
    • http://threemermaidstreasure.com/uploads/1/3/0/7/130776866/3d0bf41ce0.pdf
    • http://animemangadrawingclass.com/uploads/1/3/0/5/130543262/c74ae91b631d.pdf
    • http://www.globalconnectionskenya.org/uploads/1/3/0/3/130323672/mapufo.pdf
    • http://elmsgroup.com/uploads/1/3/0/5/130539078/e5255dbc29867.pdf
    • http://www.oertextbook.com/uploads/1/3/0/8/130874559/waroxitusekebu.pdf
    • http://midnightepiphanyband.net/uploads/1/3/0/3/130313316/nesozibito-tunupogenuma-sefumufol.pdf
    • http://www.perseveranceandpotatoes.com/uploads/1/3/0/6/130620794/764af.pdf
    • http://jaspermarianek.shop/uploads/1/3/0/3/130312974/a754f322168804.pdf
    • http://waldswonderlanddaycare.net/uploads/1/3/0/4/130483263/logexif.pdf
    • http://elkaninteriors.com/uploads/1/3/0/9/130969997/9706ff5f.pdf
    • http://www.southportairporttaxis.co.uk/uploads/1/3/0/8/130874073/dadurasu.pdf
    • http://www.irishcollins.com/uploads/1/3/0/6/130621533/gavuxi.pdf
    • http://alexislittleboy.com/uploads/1/3/0/4/130435548/8402034.pdf
    • http://www.matthewharding.co.uk/uploads/1/3/0/4/130476188/viralifu.pdf
    • http://charmlitmagshop.org/uploads/1/3/0/2/130289247/mokafewafa-xipadizixasapos-marim.pdf
    • http://kathydnguyen.com/uploads/1/3/0/4/130483243/raxerexaso.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_off0000778f.bin
a153ed79e079554437eb7f4dde570bc44d1a1a128061f9f03be5aceda666ff9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x778F 10204 bytes

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