Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f07648a004d9f39…

MALICIOUS

PDF

39.5 KB Created: 2020-06-22 00:49:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5acc2cfe57d09725991bf0486fcceac3 SHA-1: add57283b7bfa9043d2182edbcaea8d178761dc2 SHA-256: 3f07648a004d9f39576993f676fd39fe82b1d7809930e34220fe7a0ac6d38742
62 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, many of which point to similarly structured URLs on various domains. The document body, though partially corrupted, contains text suggesting it is a 'Generous justice study guide' and includes a URL to 'hopenewlife44.com'. This indicates a link farm or SEO poisoning tactic designed to drive traffic to potentially malicious websites. 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://hopenewlife44.com/uploads/1/3/0/9/130969335/130969335.html#generous+justice+study+guide
    • http://alessandraaguas.com/uploads/1/3/0/7/130775162/9d3fbd.pdf
    • http://plateusf.com/uploads/1/3/0/5/130588727/leriwo.pdf
    • http://universalqigong.org/uploads/1/3/0/8/130814338/6587624.pdf
    • http://hostmaster.howgillcottageonhadrianswall.co.uk/uploads/1/3/0/4/130435842/43f919.pdf
    • http://randi-lyn.com/uploads/1/3/1/3/131380688/sexegunojenatipuvuj.pdf
    • http://store.ldmsmedia.com/uploads/1/3/0/5/130543158/jutejili.pdf
    • http://dance-center-studio.com/uploads/1/3/0/6/130639534/bowaluzimil.pdf
    • http://theoutbctfarm.com/uploads/1/3/1/4/131437421/xezowotibalizer_kisunip.pdf
    • http://mta-sts.gbcmtx.org/uploads/1/3/0/4/130476712/wipobik-bifuded-zelogi-mekoti.pdf
    • http://cassiusmaintenance.com/uploads/1/3/1/3/131380894/8508412.pdf
    • http://bornagainorchard.blog/uploads/1/3/0/6/130603818/jevejifawel.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_off00005ac1.bin
4878451c61a29c7b53be8b0203b06208b77cbc338686b226fd79f7ac90e21c85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC1 4956 bytes
font_01_sfnt_off00006bbe.bin
b3edc87023893186c3d792c4f2780ab8934701f6012af036fd55581f0c8036a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BBE 10644 bytes

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