Malicious PDF — malware analysis report

Static analysis result for SHA-256 b34f206dd47272bb…

MALICIOUS

PDF

39.4 KB Created: 2020-06-04 05:52:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c02f53a0db5170ba945676c3a63f9e4 SHA-1: b24c6240f1979dd0dfd53a112b81bd5620481b30 SHA-256: b34f206dd47272bbed115a1aa50740ae8766d7312419735112fc88134a95f2ea
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, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, includes phrases like 'Personality theories engler 8th edition pdf' and references to 'wkhtmltopdf', suggesting a lure for academic content. The embedded URLs likely lead to further malicious content or phishing pages.

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://capefearforge.com/uploads/1/3/1/3/131398233/131398233.html#personality+theories+engler+8th+edition+pdf
    • http://jialinzhang.com/uploads/1/3/1/8/131856622/7324012.pdf
    • http://templebodyworks.com/uploads/1/3/1/4/131409693/biwokurarijevi.pdf
    • http://angelosirving.com/uploads/1/3/0/6/130604231/dazuxiti.pdf
    • http://nobordersadventure.voyagerwebsites.com/uploads/1/3/0/5/130543877/gemifonubenemuzar.pdf
    • http://a-199-34-228-57.truestrengthchicago.com/uploads/1/3/1/8/131871729/d76f5a9f23.pdf
    • http://mail.foerderregion-mittleres-fuldatal.de/uploads/1/3/0/6/130639954/c321dd428097.pdf
    • http://citrouillesbleues.ca/uploads/1/3/0/6/130639153/926329.pdf
    • http://capefearforge.com/uploads/1/3/1/3/131398233/terms.html
    • http://capefearforge.com/uploads/1/3/1/3/131398233/dmca.html
    • http://capefearforge.com/uploads/1/3/1/3/131398233/policy.html
    • https://mevarariruw.files.wordpress.com/2020/06/gozutozopedejoxonemanojo.pdf
    • https://rotamerelero89944551.files.wordpress.com/2020/06/58508688863.pdf
    • https://zezironor.files.wordpress.com/2020/06/34713696811.pdf
    • https://xubakokupowi.files.wordpress.com/2020/06/58493710616.pdf
    • https://jolubinej.files.wordpress.com/2020/06/15823322735.pdf
    • https://dotivuzuku.files.wordpress.com/2020/06/2441737341.pdf
    • https://buxanoxunos.files.wordpress.com/2020/06/44223061818.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_off00006acf.bin
3dc0f4dd5f067a0a9e0e8c765ecc6835663e5c8d3d991fe39503f228f32e95f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ACF 11288 bytes

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