Malicious PDF — malware analysis report

Static analysis result for SHA-256 30aa0bcda29e4f64…

MALICIOUS

PDF

47.6 KB Created: 2020-08-04 22:19:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: be17570994d3c2f3776270ada464f5f1 SHA-1: 826003231fe3a7e04ec53088adf9bcfb1eb60b02 SHA-256: 30aa0bcda29e4f64f2c3864820f552090bbef57f3e0316582ec38b0e878864eb
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'breast cancer awareness pamphlets pdf' and the malicious URL, suggesting a lure to a phishing or scam site. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=breast+cancer+awareness+pamphlets+pdf
    • http://files.blackandgraybrewing.com/uploads/1/3/2/7/132740949/88689f7c8b43.pdf
    • http://files.theunlimiteddreamer.com/uploads/1/3/1/3/131384429/a287bef42b.pdf
    • http://files.bandbrealestatedevelopment.com/uploads/1/3/1/4/131483002/4b0bf967461339.pdf
    • http://files.wulffquilts.ca/uploads/1/3/1/3/131379706/devubinogoli-zupus-femopoz.pdf
    • https://cdn.shopify.com/s/files/1/0431/2429/3796/files/66745684592.pdf
    • https://cdn.shopify.com/s/files/1/0431/6158/3776/files/74273851854.pdf
    • https://cdn.shopify.com/s/files/1/0428/3177/3852/files/48248721220.pdf
    • https://cdn.shopify.com/s/files/1/0436/9213/0458/files/74307302423.pdf
    • https://cdn.shopify.com/s/files/1/0429/5213/0716/files/zosojag.pdf
    • https://cdn.shopify.com/s/files/1/0432/9065/6921/files/fepivagojelikefotate.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6982/files/pejagusazavog.pdf
    • https://cdn.shopify.com/s/files/1/0437/0094/5048/files/john_deere_1025r_problems.pdf
    • https://cdn.shopify.com/s/files/1/0436/8600/2838/files/vonutivexuditopime.pdf
    • https://cdn.shopify.com/s/files/1/0432/7833/6165/files/76273400508.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24370467333.pdf
    • https://cdn.shopify.com/s/files/1/0433/2892/9960/files/88419687216.pdf
    • https://cdn.shopify.com/s/files/1/0438/3706/3328/files/gandom_style_minecraft.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006e0d.bin
23950182c697b5711b6a76dc1198c59d6be0a032b11591b06221ddcb3c6865b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x6E0D 5164 bytes
font_01_sfnt_off00007f78.bin
3a4b526fff9bccb6d6111db96d1c93f1dc6881a6adc89890022c731354779487
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F78 10444 bytes
font_02_sfnt_off0000a320.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0xA320 4324 bytes