Malicious PDF — malware analysis report

Static analysis result for SHA-256 a29fcc63dc96ccd9…

MALICIOUS

PDF

42.2 KB Created: 2020-07-28 00:28:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 860dc549697e69e5223199dc6c323018 SHA-1: 033453918992aaa93f37334e998dc5a13da1b881 SHA-256: a29fcc63dc96ccd90e74b3bd56443e530f40044d9f9d841ef0544a40db56ad69
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be related to educational content, likely a lure. The presence of numerous links suggests an attempt to manipulate search engine rankings or to distribute malicious content through a link farm.

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/pify?keyword=compare+and+contrast+worksheets+for+third+grade
    • http://files.njsaferatios.com/uploads/1/3/1/4/131453463/lemudasud.pdf
    • http://files.asrpci.org/uploads/1/3/1/6/131606046/vukim-kufekosomeg-setipokibi.pdf
    • http://files.360visualhome.com/uploads/1/3/0/7/130740257/toxajiborupinesujad.pdf
    • http://files.holynativityweymouth.org/uploads/1/3/1/1/131164308/1613852.pdf
    • http://files.greggrussellstudio.com/uploads/1/3/1/4/131407965/povewewibubozesap.pdf
    • http://files.holynativityweymouth.or
    • https://cdn.shopify.com/s/files/1/0431/6309/1112/files/janemefobixetibosami.pdf
    • https://cdn.shopify.com/s/files/1/0435/6295/9006/files/6519760742.pdf
    • https://cdn.shopify.com/s/files/1/0436/0703/1966/files/55615290768.pdf
    • https://cdn.shopify.com/s/files/1/0433/3607/3366/files/1685638783.pdf
    • https://cdn.shopify.com/s/files/1/0428/3554/2182/files/71859421865.pdf
    • https://cdn.shopify.com/s/files/1/0430/8549/6469/files/woxogujedaledaji.pdf
    • https://cdn.shopify.com/s/files/1/0431/0522/2818/files/mukevafuzujaxoxat.pdf
    • https://cdn.shopify.com/s/files/1/0431/5863/4658/files/73190448107.pdf
    • https://cdn.shopify.com/s/files/1/0432/0637/7632/files/60414617239.pdf
    • https://cdn.shopify.com/s/files/1/0433/3161/6918/files/nuvasiw.pdf
    • https://cdn.shopify.com/s/files/1/0432/1935/3757/files/88302610077.pdf
    • https://cdn.shopify.com/s/files/1/0434/0659/0106/files/zobigebiguf.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_off000065f6.bin
7f6f8fdb43e317dd8c42880935ac0aa239349d5f829eda63de18ffb83422758b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65F6 5504 bytes
font_01_sfnt_off00007894.bin
a04a0e02cf83e881028df4f6300228d4e45f15ab8228ad25af79da9671023bed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7894 10164 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.