Malicious PDF — malware analysis report

Static analysis result for SHA-256 19c3b2c026e297b9…

MALICIOUS

PDF

46.5 KB Created: 2020-08-17 18:13:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6badb6e37aefc7b91fc37adc040143b5 SHA-1: 4e20261b3c1d8fbc0fa2eb8cfc6f98273859a2c9 SHA-256: 19c3b2c026e297b956c7ff71b65a7b70026700da2324eb87b4a2c2c57ac95b16
128 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment T1071.001 Web Protocols

The PDF contains embedded JavaScript and multiple links, including one pointing to a known malicious redirector at 'https://ttraff.cc/pify?keyword=2013+ford+edge+reviews+consumer+reports'. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery.

Heuristics 4

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.cc/pify?keyword=2013+ford+edge+reviews+consumer+reports
    • http://files.floriaanwent.com/uploads/1/3/0/8/130874496/d20b775e261813e.pdf
    • http://files.montessorilawrence.org/uploads/1/3/0/9/130969158/tiluzep-busijo-feriguxu-fivipabo.pdf
    • http://files.campusco-lab.com/uploads/1/3/1/3/131398336/tejegero.pdf
    • http://files.aerosportoutfitter.com/uploads/1/3/0/9/130969607/nilulowenoro-turiwefef-favijatazogab-lidiw.pdf
    • http://pobotina.cielocastlepines.com/uploads/1/3/1/0/131071181/b122f2e6a88a7bf.pdf
    • https://cdn.shopify.com/s/files/1/0429/4829/6863/files/482044533.pdf
    • https://cdn.shopify.com/s/files/1/0435/1646/1211/files/80123070766.pdf
    • https://cdn.shopify.com/s/files/1/0437/0441/8455/files/bloodborne_dungeon_trophy_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/1613/4562/files/giredesupow.pdf
    • https://cdn.shopify.com/s/files/1/0432/2335/1458/files/susonozevijaguropemekoj.pdf
    • https://cdn.shopify.com/s/files/1/0433/8191/5802/files/notiwirebajogorugukezi.pdf
    • https://cdn.shopify.com/s/files/1/0432/2482/6014/files/xiturixasegexoxowiwa.pdf
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/26056731548.pdf
    • https://cdn.shopify.com/s/files/1/0432/9200/0412/files/advanced_excel_course_online.pdf
    • https://cdn.shopify.com/s/files/1/0434/2428/4824/files/rental_agreement_format_in_tamil_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/6858/8194/files/41875679648.pdf
    • https://cdn.shopify.com/s/files/1/0427/4877/2519/files/mezejemune.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_off00007521.bin
3db7f681a9d7d79ff8ffc888bb7093347abdc4c7b8b39c5c608d37b87a970ed4
pdf-font-stream PDF embedded font (sfnt) at offset 0x7521 5780 bytes
font_01_sfnt_off000088cd.bin
c92c0bbee8edf914d2deda493f624c8a3249e5b2e17a7b19bf429493dfd3b741
pdf-font-stream PDF embedded font (sfnt) at offset 0x88CD 10552 bytes