Malicious PDF — malware analysis report

Static analysis result for SHA-256 e703ae2bb10aa775…

MALICIOUS

PDF

37.9 KB Created: 2020-03-15 05:40:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 63f019d8e518484d9e9bfdef7a0aaa30 SHA-1: 4b4e86ef2b862b5143f2c96512f122f58853551f SHA-256: e703ae2bb10aa77593eee3d35821159f5847b3b1e0db4e265b636e84886f96b2
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, many of which point to other PDF files hosted on various domains. The document body mentions 'Ashampoo burning studio 2019 full', suggesting a lure for software downloads. The primary heuristic indicates a link farm designed to redirect users to potentially malicious content. 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://832.bpmtc.com/uploads/1/3/0/8/130873990/130873990.html#ashampoo+burning+studio+2019+full
    • http://moksamassage.com/uploads/1/3/0/2/130272470/rubegakumatak.pdf
    • http://ferrona.com/uploads/1/3/0/5/130546244/mokilu.pdf
    • http://kbellaweddings.com/uploads/1/3/0/8/130814349/nugekewidof.pdf
    • http://goodkompanydc.net/uploads/1/3/0/4/130436122/kexutanomesoxun.pdf
    • http://neneliciouslingerie.com/uploads/1/3/0/6/130604715/d7005ddf2f611d.pdf
    • http://nuohotel-zh.devsite-1.com/uploads/1/3/0/6/130639257/ledipixaverevojuzob.pdf
    • http://www.spcbooks.rpjandco.com/uploads/1/3/0/7/130739056/656931.pdf
    • http://mx.nelsonnieves.com/uploads/1/3/0/5/130590059/puraxasagulun.pdf
    • http://realmorrowpost.com/uploads/1/3/0/3/130313306/4167070.pdf
    • http://www.simply-beautiful-online.com/uploads/1/3/1/1/131164456/narulajibub-latazazaliwafa.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_off00006805.bin
25ad852273ab1153a3e257e12e5904d0f4f0c6710fb82149e04e218ffab5450d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6805 8680 bytes

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