Malicious PDF — malware analysis report

Static analysis result for SHA-256 85ef10e561a16053…

MALICIOUS

PDF

37.8 KB Created: 2020-04-08 16:04:45 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 44bc1fc340af415247b9d93ce8942069 SHA-1: 099eefde032a68762055cd847b9e209ac9de652a SHA-256: 85ef10e561a160530aa09a4b0fdd7e43affb29a05b5d054d290875d1e20f4ec7
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body contains garbled text and some of the extracted URLs, indicating a potential attempt to disguise malicious content or redirect users to harmful sites. 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://christinafriedle.org/uploads/1/3/0/5/130589310/130589310.html#que+es+licenciatura+en+mercadeo+internacional
    • http://electrical-education-enterprises.com/uploads/1/3/1/3/131380078/6111788.pdf
    • http://hoopsforadam.net/uploads/1/3/0/6/130605084/1106365.pdf
    • http://youarethevariable.com/uploads/1/3/0/7/130776629/cd9c117e7216de3.pdf
    • http://johnhinckley.net/uploads/1/3/0/4/130491752/sifowimipitovosuz.pdf
    • http://shelterislandsupermarket.com/uploads/1/3/0/2/130291649/gavabas.pdf
    • http://grand-fruits.com/uploads/1/3/0/8/130814643/131592.pdf
    • http://sweetpartyibiza.com/uploads/1/3/1/3/131381544/3285037.pdf
    • http://austinmaloney.net/uploads/1/3/1/3/131381134/f1abcd2.pdf
    • http://odessafoundationrepairpros.com/uploads/1/3/0/6/130639745/d51136.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_off000067fb.bin
66d894b34239224e9041db74b9dd301d647b95ebda5b039ad9b7fa4adc67eff2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67FB 8932 bytes

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