Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf69118113abaab5…

MALICIOUS

PDF

45.1 KB Created: 2020-04-01 17:01:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 61526b5c027e57ed17525a16c0a5e9bd SHA-1: 8f5ef45ff74593c38b0d9b35a7711853d8e98855 SHA-256: cf69118113abaab5d74703bd2bf7e3514f8110ce4ffa9c60ee00c3f7d647bedb
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body, though partially corrupted, contains a URL that appears to be a lure. This indicates a likely attack pattern involving redirecting users to potentially malicious websites, possibly for SEO spam or to host further malware. 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://dgrealtygroup.org/uploads/1/3/1/4/131454219/131454219.html#o+melhor+emulador+de+ps2+para+android+2018
    • http://ohiostatesme.com/uploads/1/3/0/8/130813923/8994074.pdf
    • http://morwacreditandinvestmentse.com/uploads/1/3/0/5/130540046/a37b56f797ad075.pdf
    • http://beersodasports.com/uploads/1/3/0/7/130738647/mavopoxoja_ruvugukujexob_biwig_fapamo.pdf
    • http://yandino.org/uploads/1/3/1/1/131164270/817d7299d.pdf
    • http://shadowofthetiki.com/uploads/1/3/0/9/130969427/73515864b1.pdf
    • http://nybellhouse.com/uploads/1/3/0/7/130775657/72d0dafa025.pdf
    • http://the6thmanmacclub.com/uploads/1/3/0/7/130739856/wuletamibefenusu.pdf
    • http://waupundowntownpromotions.com/uploads/1/3/0/6/130621808/jotuxuvobekag.pdf
    • http://katelynandrewsmassage.com/uploads/1/3/0/7/130738929/vowubetawigamavu.pdf
    • http://majesticpleasantprairie.com/uploads/1/3/0/4/130483573/daec215488efc72.pdf
    • http://melaniebrynn.com/uploads/1/3/1/0/131070424/1644086.pdf
    • http://krafteegallery.com/uploads/1/3/0/5/130588997/9664082.pdf
    • http://sfrrn.org/uploads/1/3/0/7/130776299/pikimesesafo_jufor.pdf
    • http://thevectorvault.com/uploads/1/3/1/3/131398430/7031235.pdf
    • http://marinhealthhub.com/uploads/1/3/0/6/130620763/fizoreg.pdf
    • http://world-with-elegance.com/uploads/1/3/0/7/130776346/2c37614f1.pdf
    • http://masterpeacecounseling.org/uploads/1/3/0/2/130288861/jovegutupilun.pdf
    • http://previstar.info/uploads/1/3/0/8/130814237/kufuwujafo.pdf
    • http://kselectrical.net/uploads/1/3/0/4/130435905/9106192.pdf
    • http://blanelectronics.com/uploads/1/3/1/4/131437978/vulifa.pdf
    • http://newseasonorganizers.com/uploads/1/3/0/5/130538866/xarikaniv.pdf
    • http://parentalrightsmovement.org/uploads/1/3/0/6/130621344/e951731df46.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_off00008236.bin
db1f32d097fe6a13bc0f8b08bf9c7f4996e8a9f2b866b160bf9e1ffa757d56d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8236 10388 bytes

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