Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea0ee1bf37aae5c…

MALICIOUS

PDF

43.7 KB Created: 2020-08-05 04:43:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77efea91ef4cc2a47983932c6430acfd SHA-1: 6106176b7004ca7f8d91c0641f7eee7a643cdf4c SHA-256: 3ea0ee1bf37aae5ce0c81c10e33794832ee2bfb63bd515b6b6ec791f042f8cfe
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure related to 'Agriculture notes pdf for nabard' which redirects to a malicious URL (https://ttraff.cc/pify?keyword=agriculture+notes+pdf+for+nabard). This indicates an advance-fee scam or phishing attempt. The presence of numerous external links, many hosted on Shopify, suggests a link farm designed to improve search engine ranking for malicious content. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=agriculture+notes+pdf+for+nabard
    • http://files.kevinbirdteachingportfolio.com/uploads/1/3/1/4/131436956/wugatatobepem.pdf
    • http://files.prizmnails.com/uploads/1/3/1/4/131408581/lugigu_lejaselosifaw_fujela.pdf
    • http://files.angelicfootprintsblog.com/uploads/1/3/0/7/130738928/tejin-kuxijekonoje-lufuzixulanofe-bulekopejadixi.pdf
    • http://files.cliffgloverpottery.com/uploads/1/3/1/3/131379552/916ca479f4.pdf
    • https://cdn.shopify.com/s/files/1/0434/7900/7384/files/20818808600.pdf
    • https://cdn.shopify.com/s/files/1/0447/3035/1770/files/pictionary_picture_cards.pdf
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/76455867455.pdf
    • https://cdn.shopify.com/s/files/1/0433/9145/1294/files/88844184435.pdf
    • https://cdn.shopify.com/s/files/1/0435/8776/4387/files/sales_action_plan_sample_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0437/7876/9045/files/zikejitupuganegomoligafer.pdf
    • https://cdn.shopify.com/s/files/1/0431/1253/0081/files/68537037199.pdf
    • https://cdn.shopify.com/s/files/1/0433/8886/2622/files/weight_loss_smoothie_recipe_book.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46287179129.pdf
    • https://cdn.shopify.com/s/files/1/0431/8609/4241/files/what_is_street_address_example.pdf
    • https://cdn.shopify.com/s/files/1/0433/4151/2855/files/10083226499.pdf
    • https://cdn.shopify.com/s/files/1/0427/9926/8003/files/pofejuwaxuxe.pdf
    • https://cdn.shopify.com/s/files/1/0433/9741/5077/files/lonorogemetubumi.pdf
    • https://cdn.shopify.com/s/files/1/0433/9128/7452/files/44606375894.pdf
    • https://cdn.shopify.com/s/files/1/0434/9100/0472/files/minecraft_classes_server.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/
    • https://cdn.shopify.com/s/files/1/0434/9100/04

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ccc.bin
505f49c3340d8e2c9d9bd5ea303fb007a8561c10fc9afe928af1298d9e86b487		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CCC 5452 bytes
font_01_sfnt_off00007f63.bin
0f7e3abee01c80446501f8abc3c16f5158fb3e469d2ab9f42b1440da18d5f27d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F63 10080 bytes

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