Malicious PDF — malware analysis report

Static analysis result for SHA-256 d89451a1dd7c3614…

MALICIOUS

PDF

40.7 KB Created: 2020-08-19 01:18:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3a8179e87ec055bcfe6ed6d9ed8bf39f SHA-1: e9beafed5350d138a85270dda2b68be01061f4cc SHA-256: d89451a1dd7c3614cdf9d270ff440383176d6212938ad69296a679929decbedc
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, with a critical heuristic identifying it as a malicious redirector link farm. The primary malicious URL, 'https://ttraff.com/pify?keyword=ereading+worksheets+6th+grade', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains references to educational topics, suggesting a lure to disguise the malicious intent. No scripts were extracted from this sample.

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=ereading+worksheets+6th+grade
    • http://kuxot.buildingbrilliantlives.com/uploads/1/3/1/6/131606289/7893710.pdf
    • http://likafu.acot.website/uploads/1/3/1/3/131380651/wagejekoxu.pdf
    • https://cdn.shopify.com/s/files/1/0432/0441/1556/files/biology_notes_igcse_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/4030/7362/files/gamestorrents_ppsspp_android.pdf
    • https://cdn.shopify.com/s/files/1/0430/5967/5293/files/6482989346.pdf
    • https://cdn.shopify.com/s/files/1/0437/1123/4197/files/wirixuzemujibafa.pdf
    • https://cdn.shopify.com/s/files/1/0440/4304/2966/files/rolesibaferarutu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4387/2150/files/nakivofilemesuk.pdf
    • https://cdn.shopify.com/s/files/1/0431/9064/8996/files/94369756208.pdf
    • https://cdn.shopify.com/s/files/1/0439/2920/6939/files/owasp_dependency_check_html_report.pdf
    • https://cdn.shopify.com/s/files/1/0431/7629/6605/files/70431904659.pdf
    • https://cdn.shopify.com/s/files/1/0432/0762/2824/files/vifovo.pdf
    • https://cdn.shopify.com/s/files/1/0443/9700/2918/files/struct_in_c.pdf
    • https://cdn.shopify.com/s/files/1/0433/4790/2623/files/60962670304.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_off000060bf.bin
1a433d307dfd8b743869a3b1a77f05ec4be123cc4cb8698cc87df8529164a588		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60BF 5320 bytes
font_01_sfnt_off000072e5.bin
3daaaef6cd7710be83db386bffbea33b547ef995c38e418876b8ae3ccaf48b22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E5 10372 bytes

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