Malicious PDF — malware analysis report

Static analysis result for SHA-256 266f7488133bb90a…

MALICIOUS

PDF

44.1 KB Created: 2020-03-14 19:13:40 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 546553969d65d0f94334c64d01cfc4cb SHA-1: 8c70ed4fdd955845ca2970ec006b31a551d946f8 SHA-256: 266f7488133bb90a416754beb047081b5db1f58be5204f03a742e290a605996f
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1539 Steal Application Data

The PDF document contains a lure for a fake Google support account recovery form, designed to harvest user credentials. It also contains a mass external PDF link farm, indicating a phishing or SEO spam campaign. The embedded URL points to a credential harvesting page, and the document's structure suggests it's part of a larger phishing kit.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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://cleviagrandfullsite.devsite-1.com/uploads/1/3/0/6/130620633/130620633.html#google+support+account+recovery+form
    • http://linuxbychoice.com/uploads/1/3/0/4/130483660/sakomamal-sixofiwawib.pdf
    • http://vestevichkids.com/uploads/1/3/0/8/130815213/1785602.pdf
    • http://hostmaster.brianhayesphotography.co.uk/uploads/1/3/0/6/130639085/d872367e.pdf
    • http://backstagepassmag.com/uploads/1/3/0/5/130539350/sozeferub.pdf
    • http://buildamovie.org/uploads/1/3/0/6/130604220/1854bad0faa.pdf
    • http://faith-lift.com/uploads/1/3/0/4/130476146/e3e199b1.pdf
    • http://alannagray.net/uploads/1/3/0/4/130435844/bc309e.pdf
    • http://www.morrismediamanagement.org/uploads/1/3/0/7/130740146/ed09f395ba27ff0.pdf
    • http://amartphotography.co.uk/uploads/1/3/0/4/130475901/358a9a.pdf
    • http://www.leeswimm.com/uploads/1/3/0/7/130739860/3370102.pdf
    • http://readletterbible.org/uploads/1/3/0/5/130543979/2031957.pdf
    • http://cornonthecobaz.com/uploads/1/3/0/5/130545333/2453228.pdf
    • http://www.anniesifb.com/uploads/1/3/0/8/130874608/popumiz.pdf
    • http://lorsinuous.org/uploads/1/3/0/6/130621903/75dd90745f.pdf
    • http://tauroafarmandwildexperience.com/uploads/1/3/0/5/130550824/xiguxeli.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_off00006e7c.bin
70ceab1da2e84c2e6bbe1d423dabc19f96c4ac7b624367d4de323cd76970e746		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E7C 8580 bytes
font_01_sfnt_off00008e55.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E55 16036 bytes

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