Malicious PDF — malware analysis report

Static analysis result for SHA-256 586f6d0eae64c22b…

MALICIOUS

PDF

46.2 KB Created: 2020-04-05 04:52:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 895778e773be7f6cc1f0f6028a0ebbe7 SHA-1: bd03bb435d0db22d68a1cfa0f9eb5aae3ec48455 SHA-256: 586f6d0eae64c22b8defc49cdbb8b796fc15f9faad74ca602d770084269f42ef
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, many of which point to seemingly unrelated PDF documents hosted on various domains. The document body text, though partially corrupted, includes references to golf equipment and PDF generation tools, suggesting a lure to manipulate search engine results or direct users to malicious content. No scripts were extracted, limiting the analysis of direct payload execution.

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://dandbrentalsllc.com/uploads/1/3/0/7/130740375/130740375.html#taylormade+m4+driver+loft+adjustment
    • http://falafel-market.com/uploads/1/3/0/4/130435682/2802849.pdf
    • http://amaxcleaningservices.com/uploads/1/3/1/4/131483118/1e5b27aff4be1.pdf
    • http://oaklandsacademy.net/uploads/1/3/0/4/130435783/58b02509.pdf
    • http://littlepunkins.net/uploads/1/3/0/7/130738636/pofiwosaw-temikifala-fusatemadem-zabezamud.pdf
    • http://shirleydanger.com/uploads/1/3/1/3/131378821/movedadevelemo_pepimidi_dujitab_nejifuwisilu.pdf
    • http://premiervparking.com/uploads/1/3/0/3/130379298/dujibopetuliga-nopizejumip-xibudu-sejavaxa.pdf
    • http://dachmur.pl/uploads/1/3/0/5/130551342/1414093.pdf
    • http://nospaganconsulting.com/uploads/1/3/0/8/130814863/a0479c3777.pdf
    • http://taylorforkentucky.com/uploads/1/3/0/6/130620852/nexiluwoja-nirifadobozo-javurovisidi.pdf
    • http://electrum-zclassic.xyz/uploads/1/3/0/8/130813497/6474fe0f7f0e.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_off000077c7.bin
d01c522a9a2d5165362cb78b98a2d54f1f97ecee4eb5f2b256c49273975c89fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77C7 8076 bytes
font_01_sfnt_off000096e1.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96E1 16036 bytes

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