Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6e6ef95127f0a56…

MALICIOUS

PDF

39.4 KB Created: 2020-08-31 14:30:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c0a28d56ad58b8c3c443caf5ae27ee94 SHA-1: f1a159f911e5b3b19c2e192e2fd6c95d521474c7 SHA-256: b6e6ef95127f0a56c4304ac3c031f30072c287f671bb4d3b650196549319e66e
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to direct users to malicious content. One of these links points to a known malicious redirector, ttraff.cc, which is a strong indicator of malicious intent. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of the malicious redirector and the link farm strongly suggests a phishing or malware distribution attempt.

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.cc/pify?keyword=datedif+in+google+sheets
    • https://cdn.shopify.com/s/files/1/0430/9945/5642/files/55576544480.pdf
    • https://cdn.shopify.com/s/files/1/0431/3645/0717/files/excel_gantt_chart_template_critical_path.pdf
    • https://cdn.shopify.com/s/files/1/0431/0938/4345/files/16100758684.pdf
    • https://cdn.shopify.com/s/files/1/0433/4298/7423/files/80553375124.pdf
    • https://cdn.shopify.com/s/files/1/0438/2670/8640/files/the_adventures_of_huckleberry_finn_full_text.pdf
    • https://cdn.shopify.com/s/files/1/0437/9885/5840/files/athlean_x_max_shred_workout.pdf
    • https://cdn.shopify.com/s/files/1/0428/0074/2567/files/ravosivesuwatalido.pdf
    • https://cdn.shopify.com/s/files/1/0434/8670/7876/files/amazing_grace_trumpet_duet.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6919/files/24839477031.pdf
    • https://cdn.shopify.com/s/files/1/0428/9911/2095/files/wanezorirudamu.pdf
    • https://cdn.shopify.com/s/files/1/0439/0001/0664/files/iran_apps_market_android.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/togovebiwupadonemojumuged.pdf
    • https://cdn.shopify.com/s/files/1/0439/5591/2862/files/download_film_cek_toko_sebelah_480p.pdf
    • https://cdn.shopify.com/s/files/1/0430/3051/1779/files/38256670519.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_off00005c88.bin
a826e48e73625499396918c4ae16d26d293c1d42fb38eaaac7f2c7cf435f9fd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C88 5072 bytes
font_01_sfnt_off00006dd2.bin
6a598a8b6be0717b3744cd6c9d200b27fe1a6476a2627e7c0572b64599cd6b4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD2 10364 bytes

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