Malicious PDF — malware analysis report

Static analysis result for SHA-256 952a88e090dd284f…

MALICIOUS

PDF

54.6 KB Created: 2020-08-28 16:19:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b7b3ea92b166dc87fe10d7fcce2d2216 SHA-1: fcf758fba5e54db22c0eebefe0c7e80300757acf SHA-256: 952a88e090dd284f140733e9a815f14af1a8bb34da5962195fb2e17ccbe06ea1
150 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised with SEO-friendly keywords. The document body, though heavily obfuscated, contains the same keywords and the malicious URL, indicating a lure to a phishing or malware distribution site. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning to attract victims.

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=old+fashioned+diners+in+new+york+city
    • http://files.mrperformancetraining.com/uploads/1/3/1/1/131164157/pedigeje.pdf
    • http://vezud.mershon-tu.org/uploads/1/3/1/4/131452846/7533292.pdf
    • http://files.salonrhapsody.com/uploads/1/3/1/1/131163540/3156227.pdf
    • https://cdn.shopify.com/s/files/1/0428/3292/0732/files/gegez.pdf
    • https://cdn.shopify.com/s/files/1/0430/7674/7413/files/pdf_splitter_and_merger_free_download_filehippo.pdf
    • https://cdn.shopify.com/s/files/1/0431/7573/9553/files/pafusasodozada.pdf
    • https://cdn.shopify.com/s/files/1/0435/7062/6723/files/15704436269.pdf
    • https://cdn.shopify.com/s/files/1/0431/7990/1096/files/pugunajatilurijelil.pdf
    • https://cdn.shopify.com/s/files/1/0436/4389/5958/files/77617238768.pdf
    • https://cdn.shopify.com/s/files/1/0435/9208/9763/files/testify_to_love_chords.pdf
    • https://cdn.shopify.com/s/files/1/0433/8139/1514/files/90448106517.pdf
    • https://cdn.shopify.com/s/files/1/0435/6594/0904/files/valurefufabi.pdf
    • https://cdn.shopify.com/s/files/1/0430/3601/6803/files/cursive_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0462/0088/1302/files/ap_world_history_chapter_2_test.pdf
    • https://cdn.shopify.com/s/files/1/0430/7802/5370/files/kreg_saw_guide_vs_track_saw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0936/7454/files/the_blueprint_3_zip.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_off0000977d.bin
fc4c20e133061d469c5ccc6940e0d58ed0edbf04d8b2946f254846f2ef4c0b0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x977D 5392 bytes
font_01_sfnt_off0000a9e2.bin
15615cbafd511ccf09860d8e8978a2f7c7eb258defa2369b59518f05fa79f8c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA9E2 10232 bytes

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