Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f1088c0032ffb33…

MALICIOUS

PDF

43.3 KB Created: 2020-03-13 04:17:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4dc02d5d7a86e39f1461003d971b649f SHA-1: 1ee260946eab959d9010d7f41f8c045892a53663 SHA-256: 1f1088c0032ffb33ab4ae12eea8c058b15d1e49c4c7acf1b7bc1c52476a76957
62 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded external links, a technique often used for SEO spam or to distribute malicious payloads. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a mass of external PDF links. The document body itself is largely unreadable, but the presence of URLs suggests a redirection or download attempt. 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://yinghuangguojiyulecheng.br3h.com/uploads/1/3/0/5/130588802/130588802.html#monounsaturated+fatty+acids+oil
    • http://mobileoct.com/uploads/1/3/0/5/130588659/sevujatipugitodimot.pdf
    • http://countryseasonsbnb.com/uploads/1/3/0/8/130814874/kafefalivex_galuzilikoresin_sixuf.pdf
    • http://upload.codobix.com/uploads/1/3/0/5/130550948/fidaredajo_parojapidi_tugarukozas.pdf
    • http://ants.org/uploads/1/3/0/8/130874364/xuwel-kigisiwuxiwovo-muzipuzikolafaf.pdf
    • http://1504magaz.space/uploads/1/3/0/7/130739883/takorefan.pdf
    • http://www.cbmac.com/uploads/1/3/0/5/130588924/nepuxupulonewaj.pdf
    • http://shsucommunityconnections.com/uploads/1/3/0/4/130489564/335786da.pdf
    • http://fkox.com/uploads/1/3/0/8/130813778/vizajivogononefo.pdf
    • http://www.manringmasterpiece.com/uploads/1/3/0/8/130873995/1646207.pdf
    • http://mta-sts.mx0.kesslerhof.at/uploads/1/3/0/7/130739597/4395691.pdf
    • http://tylermcmullen.com/uploads/1/3/0/7/130740189/3511017.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_off00008121.bin
89da50f118be3ee8f9499eddf906d16896bbe84edcd7f69447f8fbe941da908f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8121 7576 bytes

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