Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eda1fcd268edd48…

MALICIOUS

PDF

36.8 KB Created: 2020-06-08 00:45:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54d786f911b06e50667ed47df5d6d27e SHA-1: b6d3298a744358e1efa1f57e1c8c6332d1d7d28b SHA-256: 8eda1fcd268edd48a5c3cc1e85f8cf3d9246e4f695eaa721ef736018959fcb06
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO poisoning attack. The document body contains garbled text and the title 'Comment se confesser pdf', which does not provide clear user-facing content but may be a lure. 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://allamericandogexpo.com/uploads/1/3/1/8/131871952/131871952.html#comment+se+conf%25C3%25A9sser+pdf
    • http://sigmafinancegroup.com/uploads/1/3/0/3/130323355/09850d4a2be81e8.pdf
    • http://outdoornurseryschool.com/uploads/1/3/0/6/130604361/2790158.pdf
    • http://nqxr.com.au/uploads/1/3/0/6/130639488/ranunusomupevetubure.pdf
    • http://jarrodcoxplc.com/uploads/1/3/0/5/130589101/bofimobasopik.pdf
    • http://busfayre.net/uploads/1/3/0/5/130547624/gagavedaxuzetan.pdf
    • http://onebowdesigns.com/uploads/1/3/0/5/130551222/9582885.pdf
    • http://theyearofradicalchange.com/uploads/1/3/0/5/130550660/sejez.pdf
    • https://mopebafuju.files.wordpress.com/2020/06/lagewu.pdf
    • https://zubugoko.files.wordpress.com/2020/06/65696386274.pdf
    • https://semigumita.files.wordpress.com/2020/06/52415173057.pdf
    • https://napipivo.files.wordpress.com/2020/06/tofodimavos.pdf
    • https://rirewiza.files.wordpress.com/2020/06/53888765407.pdf
    • https://vikotefo.files.wordpress.com/2020/06/metijejijewukokuro.pdf
    • https://jezalur.files.wordpress.com/2020/06/niwagadixatefoz.pdf
    • https://tewovimel.files.wordpress.com/2020/06/ronikesegutajujetexuza.pdf
    • https://zisiwemebix.files.wordpress.com/2020/06/77590220796.pdf
    • https://tizemepaluw.files.wordpress.com/2020/06/wulenomosijibutofekaxa.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_off00006258.bin
4e9c84e6defe4b82d165f55a4a04a3fae0f87db2eb5bec3f21bd63ad8da2af86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6258 11468 bytes

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