Malicious PDF — malware analysis report

Static analysis result for SHA-256 85737fa2902b5c20…

MALICIOUS

PDF

46.5 KB Created: 2020-04-05 13:32:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 461e4a57f720be1b06a5d006880c719b SHA-1: e7e2d0543170e09154f60664dd2a53bc69386e9c SHA-256: 85737fa2902b5c209ed4e8826e35709f29832199f3788a7147d5bdf617a360f7
62 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, identified as a PDF SEO link farm. The document body text and one of the extracted URLs suggest a lure related to downloading PC games, specifically 'Age of Mythology'. This indicates a social engineering tactic to drive traffic to potentially malicious or unwanted content hosted on numerous domains.

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://draehnrepair.com/uploads/1/3/0/3/130323196/130323196.html#telecharger+jeux+pc+age+of+mythology+gratuit
    • http://sonacorp.net/uploads/1/3/1/0/131070792/7443714.pdf
    • http://defyinggravity2020.com/uploads/1/3/0/7/130776325/1835024.pdf
    • http://zenshiatsuforall.com/uploads/1/3/0/5/130550708/gexuzuxebik_butifokir_paruwujob_jofetes.pdf
    • http://ecpmog.com/uploads/1/3/0/6/130620628/febodimoxu.pdf
    • http://waybrightresidential.com/uploads/1/3/0/2/130292173/gewumonezoz-mafutozako-runezi.pdf
    • http://mibattle.com/uploads/1/3/0/9/130969632/lasapixipizi.pdf
    • http://psychsnack.com/uploads/1/3/0/7/130775364/33709.pdf
    • http://liciaruby.com/uploads/1/3/0/7/130776750/5132104.pdf
    • http://cribble.eu/uploads/1/3/0/5/130543065/fufibuk.pdf
    • http://gtafrica.net/uploads/1/3/0/3/130323750/4386327.pdf
    • http://makinglearningvisible.com/uploads/1/3/0/5/130588874/nipuji.pdf
    • http://sopher-realestate.com/uploads/1/3/0/5/130590432/6487856.pdf
    • http://ianbrownbuyersagent.com/uploads/1/3/0/2/130288729/jamafegumani_gagavojakovu_komokolefobusit.pdf
    • http://www.365roadsideassist.com.au/uploads/1/3/0/2/130289732/72dbac816024.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073dd.bin
fdb6443fd54b22ac853adc0024b3a49fb68e8cfa4fc6acca65ec35a8acbca889		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73DD 10332 bytes
font_01_sfnt_off000097b4.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97B4 16036 bytes

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