Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bd0b5d1cd9cc493…

MALICIOUS

PDF

42.6 KB Created: 2020-09-17 06:22:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dcd0a1d259829b375f50bb9435721fe4 SHA-1: 123e3e17b10050b64112a05ed08180644b338835 SHA-256: 6bd0b5d1cd9cc493557cafba7c33f8dc27d34f5f07dd8c7fa93106ca061fe735
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links, one of which, 'https://ttraff.me/wix?keyword=mr+peabody+and+sherman+full+movie+online+free+putlockers', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to a fake streaming site. The presence of numerous other PDF links points to a link farm strategy, likely for SEO manipulation or to distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.me/wix?keyword=mr+peabody+and+sherman+full+movie+online+free+putlockers
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0430/8166/2628/files/kozudegaxateji.pdf
    • https://cdn.shopify.com/s/files/1/0429/8866/7039/files/54997413417.pdf
    • https://cdn.shopify.com/s/files/1/0435/8035/8811/files/24330699978.pdf
    • https://42e1e3c0-43f2-482e-aa5a-4b3fc7f15a3d.filesusr.com/ugd/87d215_7af99325e02d4a778c8ce19fffa6f004.pdf?index=true
    • https://e719f08b-37a3-434f-9c21-e39d68d2b686.filesusr.com/ugd/2d797c_4b63561f684a4c329424638d523fc655.pdf?index=true
    • https://2cfd4285-9233-4079-84df-8090aeacac25.filesusr.com/ugd/d775a9_73ef6bc780944b4598308f99f47067d8.pdf?index=true
    • https://57a52a96-66d8-4bd8-b4d0-9b18fcaf6ded.filesusr.com/ugd/9d7ad9_492a78d24df34bbb8081c0de6d54b0cf.pdf?index=true
    • https://478741c2-f798-426e-8a8f-da4469d2d83e.filesusr.com/ugd/07625c_de4fc66305fe4874b23aec9abbbf015b.pdf?index=true
    • https://4be267b1-4a50-4b11-9e77-43c7e2cd47bc.filesusr.com/ugd/c638b7_27fa2407c752450ba2b5d2d176a29ece.pdf?index=true
    • https://2a9bae71-4f25-47d7-84b2-849e62d466e6.filesusr.com/ugd/6bb4a2_042003a6953e4d3791d7b3caf5957686.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0430/4535/5682/files/30201492388.pdf
    • https://cdn.shopify.com/s/files/1/0430/7792/7072/files/life_estate_deed_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/8189/9944/files/43257684850.pdf
    • https://cdn.shopify.com/s/files/1/0437/6104/1559/files/bacopa_monnieri_chemical_constituents.pdf
    • https://cdn.shopify.com/s/files/1/0428/7735/4143/files/39030236240.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006694.bin
1843e3046603a5cf7bbc5c4a05929d12b44ebd089b698766251b4db6ada4fc9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6694 5768 bytes
font_01_sfnt_off00007a1f.bin
6e53dd3bb20d91097203eb3a324c260a308ea2b2992630d7ce06e7302ad2ffbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A1F 10228 bytes

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