Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed999593137ea377…

MALICIOUS

PDF

36.2 KB Created: 2020-08-22 23:57:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f245d0036eccf0a297da6115b737c78 SHA-1: 6d1bcb87e71f0001ac432c93e5f54f0e3926ec2b SHA-256: ed999593137ea377d979f11fe0fb4aa6f1836be9d9cfc50c0f3c8422e040485e
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=gold+coast+weather+report+14+days'. This URL is presented within the document body, disguised as a weather report lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is designed to redirect users to potentially harmful content.

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.ru/pify?keyword=gold+coast+weather+report+14+days
    • http://xibevan.windowsofhopeintl.org/uploads/1/3/1/6/131636665/b89f97f25a5acb.pdf
    • http://pofes.charlesablemedicalphysics.com/uploads/1/3/2/8/132814930/6175379.pdf
    • https://cdn.shopify.com/s/files/1/0433/0166/6969/files/lasavomu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xikidewutuxazumal.pdf
    • https://cdn.shopify.com/s/files/1/0430/4610/9345/files/kemonarapebowenisi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7663/2214/files/attached_amir_levine.pdf
    • https://cdn.shopify.com/s/files/1/0429/2742/3654/files/10th_class_maths_formulas_free_download_samacheer_kalvi.pdf
    • https://cdn.shopify.com/s/files/1/0427/4677/3660/files/wafijet.pdf
    • https://cdn.shopify.com/s/files/1/0437/3551/5290/files/ririnaxivonagevawo.pdf
    • https://cdn.shopify.com/s/files/1/0435/5670/0319/files/22542801490.pdf
    • https://cdn.shopify.com/s/files/1/0431/9232/0161/files/93200351752.pdf
    • https://cdn.shopify.com/s/files/1/0431/2370/3970/files/95742456408.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/68383113118.pdf
    • https://cdn.shopify.com/s/files/1/0429/1490/6279/files/51743982328.pdf
    • https://cdn.shopify.com/s/files/1/0449/7837/2766/files/www_giigke_cin.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_off00004e75.bin
1b172330f8d4c8cb8ef97b7844fde40edbb23cbde47aba2181aa03ba271e92d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E75 5528 bytes
font_01_sfnt_off0000615f.bin
28d3519150d43d9aa45f1d21cec6a775d9f7dbe8adf233236f05b593a86099f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x615F 10240 bytes

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