Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e8d25f7c496282e…

MALICIOUS

PDF

39.2 KB Created: 2020-08-15 22:40:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b8e3691f8edd7f82b3b850f78e08ddab SHA-1: 0b0915307c92a8369b10a696f36177c326b2016f SHA-256: 2e8d25f7c496282ecac641471d41b20e35d7f77d5a266357fb3b6ab14619c482
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a malicious redirector link. The embedded URL, https://ttraff.ru/pify?keyword=does+apple+airpods+work+with+android+phones, is the primary indicator of malicious intent, likely leading to a phishing or malware distribution site. No scripts were extracted, but the document body contains the malicious URL, reinforcing the attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 2

  • 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.
  • 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.ru/pify?keyword=does+apple+airpods+work+with+android+phones
    • http://files.marydarwalljewelry.com/uploads/1/3/0/7/130775659/70697f.pdf
    • http://files.aitchfoundation.com/uploads/1/3/0/7/130776451/1e372395.pdf
    • https://cdn.shopify.com/s/files/1/0431/8144/1181/files/cursive_alphabet_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0430/3860/5461/files/carrier_furnace_troubleshooting.pdf
    • https://cdn.shopify.com/s/files/1/0438/4423/9510/files/mevulatom.pdf
    • https://cdn.shopify.com/s/files/1/0438/4518/9792/files/kenaguput.pdf
    • https://cdn.shopify.com/s/files/1/0433/0124/0992/files/c_source_code_examples.pdf
    • https://cdn.shopify.com/s/files/1/0430/9080/4885/files/gukojujemudune.pdf
    • https://cdn.shopify.com/s/files/1/0429/1156/3932/files/13230468138.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_off00005a85.bin
7a0f2f182a4431bcd349afe0456ee584180183fc3c3411a801baf52d9df40ffb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A85 5200 bytes
font_01_sfnt_off00006c40.bin
c348f41333aef179dab3f2e633a5196cb7dfae7840e0d916938aa8343d1d29f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C40 10544 bytes

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