Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f863f12a0addca3…

MALICIOUS

PDF

36.5 KB Created: 2020-06-04 14:37:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e99662b2b91d2c736ee4e59cb84463b SHA-1: 76234c49d0c0d54eed1ae4c73b09a80fb2f8c44f SHA-256: 9f863f12a0addca3c60508b01068c6a0e507bca2d0bd4b7c95ae986c411e24af
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, characteristic of a link farm designed to manipulate search engine results. The primary embedded URI points to 'http://74-123-76-81.mgwnet.com/uploads/1/3/0/6/130639465/130639465.html#mo+new+years+eve', which likely serves as a lure to a malicious site. No scripts were extracted, and the document body is heavily obfuscated, limiting further analysis of the specific lure.

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://74-123-76-81.mgwnet.com/uploads/1/3/0/6/130639465/130639465.html#mo+new+years+eve
    • http://larrysrestorationlab.org/uploads/1/3/0/5/130540193/sepejodor.pdf
    • http://joinunique.com/uploads/1/3/2/3/132303396/0bfeb24643c.pdf
    • http://setimagefull.net/uploads/1/3/1/4/131438135/zesadukomuwar_rawadetuvo_tuxux_romibarin.pdf
    • http://postmaster.nieswaag.nl/uploads/1/3/1/3/131381111/ropagefawi-silibarovule-supurokagovitij.pdf
    • http://toolsforleadership.com/uploads/1/3/1/6/131606094/1d2846b750e5.pdf
    • http://simichealthllc.com/uploads/1/3/0/6/130620511/zakimu.pdf
    • http://mta-sts.mx0.kaibauer.com/uploads/1/3/1/3/131383482/toxoxefaso.pdf
    • http://comfortwalk.net/uploads/1/3/0/6/130620677/xatilitifoxuzifi.pdf
    • http://webmail.compartiendoamor.com/uploads/1/3/0/5/130588732/93fe9619fa5e0.pdf
    • http://ellenhammer.net/uploads/1/3/0/3/130379625/7d58a2.pdf
    • http://maverickmobilemechanic.com/uploads/1/3/1/8/131871665/leguv-wixepetuxinif.pdf
    • http://adayinthelifeofmack.com/uploads/1/3/0/8/130814351/nesuwalibugetinosiz.pdf
    • http://daxiyangyulechengyouhuihuodong.br3h.com/uploads/1/3/0/7/130739560/jizogalogexupolona.pdf
    • http://74-123-76-81.mgwnet.com/uploads/1/3/0/6/130639465/terms.html
    • http://74-123-76-81.mgwnet.com/uploads/1/3/0/6/130639465/dmca.html
    • http://74-123-76-81.mgwnet.com/uploads/1/3/0/6/130639465/policy.html
    • https://lobugageto.files.wordpress.com/2020/06/mopuvizux.pdf
    • https://fusimutu.files.wordpress.com/2020/06/68484036652.pdf
    • https://kesakede.files.wordpress.com/2020/06/jagopixanuwonozazoparem.pdf
    • https://zexekiko.files.wordpress.com/2020/06/litanudekux.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_off000062ac.bin
176e35d6b2a5630a61874a6372b1476355b77b73e6677f360426ddabbc4472c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62AC 10516 bytes

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