Malicious PDF — malware analysis report

Static analysis result for SHA-256 afc1c1659b06c602…

MALICIOUS

PDF

45.9 KB Created: 2020-04-01 18:21:04 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 767595ce9cd482153664c0bd87f339f3 SHA-1: 5883856ff6b537146f399185177d4a3e82edea67 SHA-256: afc1c1659b06c602577e673c953df56819c8bfa1b02a6d4fc48824d30791b5ce
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a potential attempt to distribute malware or phish users through a network of linked domains. No scripts were extracted, limiting further 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://buteykobreathing.us/uploads/1/3/0/7/130739886/130739886.html#circuito+de+control+potencia
    • http://adamdaltonblake.com/uploads/1/3/0/6/130621116/6283543.pdf
    • http://autodiscover.c3power.org/uploads/1/3/0/4/130436068/zebotosigozadedupero.pdf
    • http://fayolanaturalz.com/uploads/1/3/0/5/130551059/bototija.pdf
    • http://lizmeryperez.com/uploads/1/3/0/6/130639315/remurojisasovibajite.pdf
    • http://grccoin.com/uploads/1/3/0/6/130605048/bajurujaxakopon-bonod.pdf
    • http://chelseamwest.com/uploads/1/3/1/1/131163920/38185.pdf
    • http://healthcaresolutionsllc.net/uploads/1/3/0/4/130483650/zuremenob.pdf
    • http://notforsakenministryinc.org/uploads/1/3/0/3/130323817/7006801.pdf
    • http://craftsmanmarketing.com/uploads/1/3/0/6/130621019/mirevimuwut-gogesudatarugu.pdf
    • http://lemondefitness.com/uploads/1/3/1/4/131438617/7589160.pdf
    • http://maxmtransportation.com/uploads/1/3/0/8/130873949/buxezitenafut.pdf
    • http://karenov.fr/uploads/1/3/0/6/130604105/41c23.pdf
    • http://contagiouspositivity.com/uploads/1/3/0/4/130489052/fegesiwo-jebovez-kejutakikekowiw.pdf
    • http://wingmingexchange.com/uploads/1/3/0/5/130589444/09a0768f.pdf
    • http://besttowingfresno.com/uploads/1/3/0/5/130589393/gopaw.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_off000074e3.bin
06216b08209bd8001b71c4c96238edd85880f56c5cfc91ae3ad73903f65caac9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74E3 8200 bytes
font_01_sfnt_off00009312.bin
80c33299320c81568f6bce5f575004607b6a6c0b36da5aa72c9d36ac4e86e521		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9312 16304 bytes

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