Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc286e169d6c14fe…

MALICIOUS

PDF

61.4 KB Created: 2020-08-06 19:30:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a68b42c8e84f90f3cd65c083c924e40 SHA-1: 2478c1b7861510b3d96ff02407fedce9c3a28ab5 SHA-256: fc286e169d6c14fe7a4cf97314a58ee56b2fa2d80312a942fe5aee499b90d68b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=computer+chapter+1+internet+class+10+notes+pdf'. This URL is presented within the document body, disguised as educational content. The PDF also exhibits characteristics of an SEO link farm, with numerous links to external PDFs, many hosted on shopify.com. The primary malicious intent appears to be redirecting users to potentially harmful content via the ttraff.com domain.

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.com/pify?keyword=computer+chapter+1+internet+class+10+notes+pdf
    • http://files.jessicamiyuki.com/uploads/1/3/1/3/131383319/cd1eaa.pdf
    • http://files.brokenoakacres.com/uploads/1/3/1/3/131380966/wumogitifaf_nezolusemiru.pdf
    • http://files.fringeboutiqueto.com/uploads/1/3/1/4/131411688/fegalazuse_jepuliri.pdf
    • https://cdn.shopify.com/s/files/1/0437/6572/7384/files/ruset.pdf
    • https://cdn.shopify.com/s/files/1/0436/9504/6824/files/46712604148.pdf
    • https://cdn.shopify.com/s/files/1/0435/6092/7393/files/technical_drawing_paper.pdf
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/36861822840.pdf
    • https://cdn.shopify.com/s/files/1/0430/5004/1495/files/16455296415.pdf
    • https://cdn.shopify.com/s/files/1/0428/3249/4751/files/vepiwomopazuzasabisesa.pdf
    • https://cdn.shopify.com/s/files/1/0434/7510/7992/files/frogger_2_swampy_s_revenge.pdf
    • https://cdn.shopify.com/s/files/1/0431/7128/3098/files/40525069409.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37357510366.pdf
    • https://cdn.shopify.com/s/files/1/0434/3057/6285/files/sorexiwojimin.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_off0000b0e8.bin
c1f2b8dd373e72496ec5c59b99f38dd23d9ec9eae34169aeed15feaf35325e89		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB0E8 5492 bytes
font_01_sfnt_off0000c368.bin
cf8b59f63c0a70d39e791a7588374ae8d32e1be02869013b0b575d6b7df78100		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC368 10852 bytes

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