Malicious PDF — malware analysis report

Static analysis result for SHA-256 866b3ceacddbb80f…

MALICIOUS

PDF

40.2 KB Created: 2020-08-24 11:14:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cc4e00542b5ca569086d2684ed66733 SHA-1: 4b8ff6c8a515e76579e2fc66f015b0001480ea86 SHA-256: 866b3ceacddbb80f5331559841bdabfa5ec7b56c9fa239827de0b54d8ef26e08
120 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to a known malicious domain, likely as part of a phishing or scam campaign. The document body and embedded links suggest a lure related to 'vape' and 'smoking dangers', aiming to trick users into clicking the malicious URL. The presence of numerous external PDF links also indicates a link farm strategy, potentially for SEO manipulation or to host further malicious 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.com/pify?keyword=bahaya+rokok+vape+pdf
    • http://wedibeda.victoriavisions.com/uploads/1/3/0/7/130775350/80d3b.pdf
    • http://files.karizmaconcerts.com/uploads/1/3/0/9/130969809/lesibawopino.pdf
    • http://ketator.heritagefloristcortland.com/uploads/1/3/1/4/131453558/6172085.pdf
    • http://files.kootingalmotorclub.com/uploads/1/3/2/6/132681698/5915422.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tujekozovazufurujujazer.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93861148098.pdf
    • https://cdn.shopify.com/s/files/1/0434/9159/0308/files/72893533061.pdf
    • https://cdn.shopify.com/s/files/1/0432/0139/6896/files/banished_game_free_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0434/0721/2694/files/ikea_pax_installation_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/6667/8696/files/addition_and_subtraction_worksheets_grade_3.pdf
    • https://cdn.shopify.com/s/files/1/0431/1462/7223/files/13867877720.pdf
    • https://cdn.shopify.com/s/files/1/0431/5440/7580/files/xuvik.pdf
    • https://cdn.shopify.com/s/files/1/0437/4419/8805/files/17330218889.pdf
    • https://cdn.shopify.com/s/files/1/0429/6481/1935/files/62795266755.pdf
    • https://cdn.shopify.com/s/files/1/0431/6246/8503/files/acres_of_diamonds_free_download.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_off00005f37.bin
34d151da17e45a20d116888db7d25ee861648ef53d41398a58653a142ececdac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F37 5192 bytes
font_01_sfnt_off000070ee.bin
07308457efb84458c3fc0c6ee72fbce9bc5e1f3174c7e77f206a6d6e21528384		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70EE 10288 bytes

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