Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7f825f224bac512…

MALICIOUS

PDF

47.3 KB Created: 2020-08-11 03:06:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 67d328ae21d3344347d5431cb8f278b1 SHA-1: a14cc4bc5f62da80ca96b0954e2dbef543914fd0 SHA-256: d7f825f224bac5124c078eb5fe72c5d7684fe0c9245f9c0de4c4dba1777d61c0
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirector. This suggests the PDF is designed to redirect users to malicious content, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=nwod+mage+the+awakening+pdf
    • http://wubibukog.thirdwavedetroit.com/uploads/1/3/1/8/131856158/3c7cf4199f.pdf
    • http://files.snowbergerstudios.com/uploads/1/3/0/7/130738676/kavodoraxotajafof.pdf
    • http://files.ciccologroup.com/uploads/1/3/1/3/131381067/nineja.pdf
    • http://files.kg-games.com/uploads/1/3/1/1/131163736/ralujunebunupem-kuvatijijek-vulixesit-pinavowobom.pdf
    • http://files.sangresbestbeef.com/uploads/1/3/1/4/131437987/zuwefatag.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/88406012193.pdf
    • https://cdn.shopify.com/s/files/1/0428/7430/6719/files/63053365624.pdf
    • https://cdn.shopify.com/s/files/1/0434/4987/6641/files/lowes_port_charlotte_fl.pdf
    • https://cdn.shopify.com/s/files/1/0435/8812/4830/files/romotuzolujoz.pdf
    • https://cdn.shopify.com/s/files/1/0436/0830/9923/files/zeridesebib.pdf
    • https://cdn.shopify.com/s/files/1/0427/9359/9132/files/xusege.pdf
    • https://cdn.shopify.com/s/files/1/0434/3064/1826/files/2166648246.pdf
    • https://cdn.shopify.com/s/files/1/0445/6172/7647/files/pesovonazawure.pdf
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/92092546598.pdf
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/tuxawirafamufigolu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5297/2697/files/gofemasat.pdf
    • https://cdn.shopify.com/s/files/1/0429/7208/6435/files/91128646451.pdf
    • https://cdn.shopify.com/s/files/1/0430/7235/6505/files/fundamentals_of_soil_chemistry.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/denikiv.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_off00007cd1.bin
2b51b67353fdd8f37509563c2e2e2522b56c82a8f0a9e31a12114ce0daac74b6
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD1 5272 bytes
font_01_sfnt_off00008ec0.bin
55200b7cc8a212b57b4c7b9680665056030935972932392df16c25fcc5de6f68
pdf-font-stream PDF embedded font (sfnt) at offset 0x8EC0 9712 bytes