Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2e1d79270311b1e…

MALICIOUS

PDF

63.5 KB Created: 2020-09-12 04:43:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9189513b613ce9a09ed8c651018e2d8f SHA-1: ae42342f4dfa5c01f0170202e274b48c590baab5 SHA-256: f2e1d79270311b1e6e98011cfdd88b6b95b608df6c3ce5145d1b837ed80ce2fb
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The document body, though heavily obfuscated, contains text suggesting a lure related to a "Belgrade metro map pdf" and includes the malicious redirector URL. This indicates a social engineering attack designed to drive traffic to malicious infrastructure.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.me/pify?keyword=belgrade+metro+map+pdf
    • http://ritugisud.whiteimprints.com/uploads/1/3/1/4/131438572/9071640.pdf
    • http://marivi.yanaemelyanova.com/uploads/1/3/1/4/131437145/231203.pdf
    • http://lupopi.upholsteringmelbourne.com.au/uploads/1/3/1/0/131070571/1889904.pdf
    • http://files.lucywoodbaird.com/uploads/1/3/1/3/131397996/dikeparixakur_somubuxetemozas_didozovaje_jobaxajanoto.pdf
    • https://cdn.shopify.com/s/files/1/0428/4973/0727/files/gisaluxe.pdf
    • https://cdn.shopify.com/s/files/1/0436/4291/2926/files/4711737033.pdf
    • https://cdn.shopify.com/s/files/1/0433/0966/2366/files/movakujunejudikurelamurog.pdf
    • https://cdn.shopify.com/s/files/1/0472/3313/8853/files/differentiation_rules_worksheet_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0435/6109/1221/files/25308399090.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2125/files/sixeni.pdf
    • https://cdn.shopify.com/s/files/1/0432/1037/5325/files/44219490873.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ba59.bin
8674b6b989cb17b6a416fc250120323f53e8cecd0b6edbca76af6ebd4a2bdbae		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBA59 5232 bytes
font_01_sfnt_off0000cc15.bin
eccd63f5671dcd03cc609fff6443f268c501977cedf78ef1918c800101121d01		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCC15 11324 bytes

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