Malicious PDF — malware analysis report

Static analysis result for SHA-256 be129cf8d7842dc1…

MALICIOUS

PDF

46.7 KB Created: 2020-09-01 00:04:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 758dfee9b4445fad42ba3a47ad5f2388 SHA-1: 37c184fa501413a0ee27d394067b516a5a522e07 SHA-256: be129cf8d7842dc1c73048544589e6ccbb8a1e8930e407c8b3f3b6e81ba2e7ec
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'project management powerpoint presentation template' and the malicious URL. This suggests a phishing or social engineering attack aiming to redirect users to malicious content.

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.ru/wix?keyword=project+management+powerpoint+presentation+template
    • https://cdn.shopify.com/s/files/1/0427/8163/8812/files/60524761174.pdf
    • https://cdn.shopify.com/s/files/1/0431/6859/6123/files/nidiradeludabatez.pdf
    • https://cdn.shopify.com/s/files/1/0431/4149/6981/files/monotronics_alarm_systems.pdf
    • https://cdn.shopify.com/s/files/1/0433/5340/7646/files/rutedofufib.pdf
    • https://cdn.shopify.com/s/files/1/0436/8980/3941/files/naxalewaja.pdf
    • https://cdn.shopify.com/s/files/1/0435/7616/4515/files/yusuke_vs_toguro.pdf
    • https://cdn.shopify.com/s/files/1/0427/7541/2902/files/vajuvovebukelulikopugesu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6982/files/35747742545.pdf
    • https://cdn.shopify.com/s/files/1/0437/3970/9605/files/factoring_polynomials_review_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0434/0416/5285/files/45114787117.pdf
    • https://static.usrfiles.com/ugd/b8c837_9b2b4741eb5f46f79aa0b76dd6a13968.pdf
    • https://static.usrfiles.com/ugd/b8c837_3817d52ff11649bc92c5abae18723297.pdf
    • https://static.usrfiles.com/ugd/5b5da7_88ddfe93f8b444fcae94b9e2c9ceec34.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_off00007838.bin
c14b4bd5661c93e6c47d65532f06f88dc4098e991b9cc41123b218bc3243e045		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7838 5424 bytes
font_01_sfnt_off00008aa4.bin
992f8e560aee3075646683d61023268fe71991d13945f938a4ed1ce23689d4bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AA4 10140 bytes

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