Malicious PDF — malware analysis report

Static analysis result for SHA-256 df3710a44cc2b4c0…

MALICIOUS

PDF

41.3 KB Created: 2020-03-21 14:04:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 61031d69c6f07024beeccf4dd693266b SHA-1: 3b4b548509892792f1f02cfe896ba235f72afab7 SHA-256: df3710a44cc2b4c023126b43a2b5741b4cc4b5f51c63bbb7f25b1379f63d9c77
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The document body itself is largely unreadable, but the presence of numerous external URLs is the primary indicator of malicious intent. 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://dpo-recrutement.com/uploads/1/3/0/2/130289610/130289610.html#mapa+climas+do+brasil
    • http://metdonuts.com/uploads/1/3/0/6/130620849/5427506.pdf
    • http://uite-aici.com/uploads/1/3/0/9/130969054/b9d572fd07.pdf
    • http://poppies-daycare.co.uk/uploads/1/3/0/6/130604729/kujufazon-biwilidijun-migenabotasuga-kilirunoketolev.pdf
    • http://mahoneyhouse.com/uploads/1/3/0/7/130775878/a208a62e65fa.pdf
    • http://amityschuyler.com/uploads/1/3/0/7/130739502/lipozelusirovub.pdf
    • http://greenmytown.org/uploads/1/3/0/6/130604560/3ea4b62204db.pdf
    • http://youthkings.net/uploads/1/3/0/4/130483673/5543235.pdf
    • http://wwww.thepleiadesproject.com/uploads/1/3/0/4/130483757/121743.pdf
    • http://etefl.online/uploads/1/3/1/0/131070604/pepalewiw.pdf
    • http://www.fitnesswithaly.com/uploads/1/3/0/7/130776408/4780524.pdf
    • http://momsvoices.org/uploads/1/3/0/5/130538931/kozisuze.pdf
    • http://mail.covenantfarmheals.org/uploads/1/3/0/5/130589431/8492576.pdf
    • http://universeoftoronto.com/uploads/1/3/0/7/130775310/0a07d2deb97b9.pdf
    • http://www.greyravenpublishing.com/uploads/1/3/0/9/130969727/geluremav.pdf
    • http://outinthedesert.org/uploads/1/3/0/6/130621461/kaxizodok_tagazubijefu_wirafovomem.pdf
    • http://wellwithacupuncture.com/uploads/1/3/0/6/130604881/roregopo_petifogonu_vanurodelu.pdf
    • http://diamonddivafashion.com/uploads/1/3/0/6/130604179/gedadaribux.pdf
    • http://mdroe.com/uploads/1/3/0/4/130435821/zinoletaxo_pafamamo.pdf
    • http://ceoclubuk.com/uploads/1/3/0/6/130604568/foxelamexudaxupener.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_off000072ff.bin
f13b89ea9a0715c1995b12bf9aa95c4454f4fa255955259f6f4df7341e7c165d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72FF 10852 bytes

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