Malicious PDF — malware analysis report

Static analysis result for SHA-256 46d9c3e7ebb815c5…

MALICIOUS

PDF

38.2 KB Created: 2020-04-17 15:07:51 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 91c15b362a57b7625c30363d300657f5 SHA-1: 0528e430418679321dae3095c7e5ee792988f04d SHA-256: 46d9c3e7ebb815c59ed738a41e8941a42bc22a8f0e4966a8cc28665a34d7fc07
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are hosted on domains that appear to be part of a link farm. The document body text, though partially corrupted, suggests a lure related to 'Information technology project management 7th edition answers'. This indicates a likely SEO scam or a method to distribute malicious content through a network of seemingly unrelated websites. 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://nicolehebdo.com/uploads/1/3/0/6/130604585/130604585.html#information+technology+project+management+7th+edition+answers
    • http://econordicspa.com/uploads/1/3/1/4/131453046/wawudosina.pdf
    • http://indonesiaabroad.com/uploads/1/3/1/4/131406960/sabalozibopidalofoxi.pdf
    • http://paigetheyogi.com/uploads/1/3/1/3/131379591/xatizota-lobaf.pdf
    • http://jessbennettillustration.com/uploads/1/3/0/2/130291624/694564aa24c.pdf
    • http://mondoxperience.com/uploads/1/3/0/7/130775220/mudodabu.pdf
    • http://aquasearchglove.com/uploads/1/3/0/5/130590613/begajezixokilo.pdf
    • http://www.newelementkc.com/uploads/1/3/0/5/130551543/xobudabomu.pdf
    • http://elev8network.com/uploads/1/3/0/9/130969419/8573737.pdf
    • http://m-d-engineering.com/uploads/1/3/1/3/131383619/milelesula-wipelixize-ponogalej-zodede.pdf
    • http://cglivingston.com/uploads/1/3/0/5/130539048/ponolekugabupirovup.pdf
    • http://supportappsummary2932988ambewelicblpp.org/uploads/1/3/1/3/131379738/13b0941860ea.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_off00006cf0.bin
75ba11b80f42b3f04ad1cb187a4ea002c45e69ff35bd53e2936e17a6f88dfc80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CF0 8052 bytes

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