Malicious PDF — malware analysis report

Static analysis result for SHA-256 e05982fe975bb724…

MALICIOUS

PDF

46.2 KB Created: 2020-04-17 11:14:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6036611a6558c53d1a22987e6b1d1b2c SHA-1: 7b7c0f00edf72e716a1e4095023329186a19b3a8 SHA-256: e05982fe975bb724563064f6b8875e64a88a24946e1149ed80676b6b1d405ada
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a common tactic for SEO poisoning and distributing malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a link farm designed to attract traffic. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further suggests a lure to trick users into clicking these links. The document body, though heavily obfuscated, contains a URL that aligns with the detected link farm strategy.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://thompsonthyme.com/uploads/1/3/1/6/131637640/131637640.html#2019+tamil+movies++in+kutty+rockers
    • http://experiencinglifebusiness.com/uploads/1/3/0/7/130739706/rorimabigosug.pdf
    • http://ginasscrubs.com/uploads/1/3/1/4/131453094/798e25454a6772.pdf
    • http://jhdesignltd.com/uploads/1/3/0/7/130739928/649708.pdf
    • http://katysullivanartistry.com/uploads/1/3/1/3/131383619/tibebanijuxanem.pdf
    • http://academicenglishtutoring.org/uploads/1/3/0/8/130874086/96a30b.pdf
    • http://snorkelkoolina.com/uploads/1/3/0/6/130604243/2a1a4561c796.pdf
    • http://painelamaie.com/uploads/1/3/0/9/130969449/298f8f6b2.pdf
    • http://switchyourdrink.com/uploads/1/3/0/3/130323633/bulatofa.pdf
    • http://memphiscartonera.org/uploads/1/3/0/4/130491322/b8ef85e.pdf
    • http://tangsoodotournaments.com/uploads/1/3/0/3/130313272/b77c41c0.pdf
    • http://newcleo.com/uploads/1/3/0/7/130775916/f0e7dcd.pdf
    • http://luxuryproducts.us/uploads/1/3/0/5/130590363/ce66db89cbaebd.pdf
    • http://islamophoria.com/uploads/1/3/1/0/131070678/firibetitemibipu.pdf
    • http://jmjfunding.net/uploads/1/3/0/2/130291712/8186304.pdf
    • http://painelamaie.com/uploads/1/3/0/9/130969449/298f8
    • 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_off00007844.bin
a464ac4c57bcc54acb2b7bd0b3182d4b91d331e90548cd66119152becce9d1d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7844 8068 bytes
font_01_sfnt_off00009784.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9784 16036 bytes

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