Malicious PDF — malware analysis report

Static analysis result for SHA-256 416695c7ab47846d…

MALICIOUS

PDF

45.5 KB Created: 2020-04-01 11:19:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 879c1be5b2c9cffada3d1cbe5e14b2b2 SHA-1: 027dc868c5b714d93f49661828eb34e62d063589 SHA-256: 416695c7ab47846deec12e278663fb7446a7f3b11baffa690f891a1434af2911
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a large number of embedded links to external PDF files hosted on various domains. This technique is often used for SEO spam or to distribute malicious payloads. The document body contains garbled text and what appears to be metadata, but the primary malicious activity is driven by the numerous external links. 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://heyhagan.com/uploads/1/3/0/9/130969274/130969274.html#que+es+la+gluconeog%C3%A9nesis+yahoo
    • http://keyautonj.com/uploads/1/3/0/2/130289746/pabejobekone-soxejisoru.pdf
    • http://nyc-update.com/uploads/1/3/0/7/130739693/2090326.pdf
    • http://north-shore-aerial-imaging.com/uploads/1/3/0/7/130739120/zisita.pdf
    • http://zibainwonderland.com/uploads/1/3/1/4/131437516/labusakasajinosutewe.pdf
    • http://wecf2.com/uploads/1/3/1/3/131380316/ripifej-movemiduvo-lewetoninazo-kipuzenobadam.pdf
    • http://lillianjue.net/uploads/1/3/0/4/130435562/8864505.pdf
    • http://goupsell.co/uploads/1/3/0/6/130604841/kinedevoxoxisev.pdf
    • http://kimberleypaladini.com/uploads/1/3/0/4/130489157/nusekokofuri_keren_dezor.pdf
    • http://droneon.com/uploads/1/3/0/6/130620869/dazazex_mijijix_fobutituxa_rekobug.pdf
    • http://amacleaningservices.net/uploads/1/3/1/4/131407711/3989192.pdf
    • http://afcointl.com/uploads/1/3/0/7/130740027/mifimovad.pdf
    • http://slojacksdrivein.com/uploads/1/3/0/7/130738593/kazabab-luzosulupalo-nexewajosa.pdf
    • http://the6thmanmacclub.com/uploads/1/3/0/7/130739856/wuletamibefenusu.pdf
    • http://cupcakes4thecure.com/uploads/1/3/0/7/130775363/8393c5f1a414fa3.pdf
    • http://sellsaintpetehome.com/uploads/1/3/0/8/130814349/1673649.pdf
    • http://developmentechnwkllc.com/uploads/1/3/0/9/130969373/884083.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_off00008487.bin
576300a69401de44c060f7e703dedb654f911d9b1993aba97b8bf6dfa7229b90		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8487 9464 bytes

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