Malicious PDF — malware analysis report

Static analysis result for SHA-256 41d9784b91403b18…

MALICIOUS

PDF

40.5 KB Created: 2020-05-23 12:45:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73d63716c4f35179853594e721274cbe SHA-1: a5a3b0a660573c00764ab5d2e18249d0ef69b8af SHA-256: 41d9784b91403b18ebec089a970b12a8fdd0037783794b7e6b07dea331a9a3a8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The primary external URI points to http://pb4awv.bdgct.com/uploads/1/3/1/4/131483149/131483149.html#oraciones+coordinadas+y+yuxtapuestas. The document body is heavily obfuscated, but the presence of numerous links suggests a link farm or redirection scheme, likely intended to manipulate search engine results or lead users to malicious content.

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://pb4awv.bdgct.com/uploads/1/3/1/4/131483149/131483149.html#oraciones+coordinadas+y+yuxtapuestas
    • http://solidgroundpdx.org/uploads/1/3/1/4/131454216/delif-barivavifede.pdf
    • http://meetingspodcaster.com/uploads/1/3/0/6/130604310/bezan_bakozudu.pdf
    • http://cpanel.vancourtcustomcabinetry.com/uploads/1/3/0/5/130539357/ludodabokefe-kewapusoruk.pdf
    • http://gillilanddesign.com/uploads/1/3/0/7/130740537/c5080b12a.pdf
    • http://iamastick.com/uploads/1/3/0/6/130621328/rukapopijes_fugebuvixidif.pdf
    • http://inghetfriguros.com/uploads/1/3/1/1/131164297/dokus_menakaj_jivakaruta_bigurigejuwof.pdf
    • http://feralpopup.com/uploads/1/3/1/4/131437878/7649501.pdf
    • http://meganchristinabeauty.com/uploads/1/3/0/6/130639679/namoka.pdf
    • http://dynaflexhomehealthcare.com/uploads/1/3/0/8/130814559/vegodosux.pdf
    • http://ginandtani.com/uploads/1/3/0/8/130874114/kewitaguwad.pdf
    • http://jmeelectricalservicesllc.com/uploads/1/3/1/3/131380438/xovub-fipixu-veludutuki-gusek.pdf
    • http://oakleafcraftshop.com/uploads/1/3/1/3/131380146/zovirizubomujo-kakavubewurok-lozidakunomupor.pdf
    • http://autodiscover.joliehoang.com/uploads/1/3/1/4/131438129/wosuto-mimezimofimoku-zobanos-tijabija.pdf
    • http://emandabfloraldesign.com/uploads/1/3/1/6/131606396/4407042.pdf
    • http://itsmeforyou.com/uploads/1/3/0/6/130640032/d9ecb7df17977.pdf
    • http://massageclarksvilletn.com/uploads/1/3/0/2/130271083/noderadapu-nuzonagu-fonewukatumame.pdf
    • http://ninelionsmedia.com/uploads/1/3/1/0/131071277/burusewix-nikabigejuwesi-jufijokezumik-zenowumoluzaja.pdf
    • http://synergizepro.com/uploads/1/3/1/4/131412426/sulev.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_off00007015.bin
bfa2daa6ed93026d227d1da9fc5cb6f43be90eefd2b673725451441cc59c3e56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7015 11332 bytes

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