MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a PDF merge tool, aiming to send users to a harmful site. The ML classifier strongly indicated maliciousness, and the PDF structure includes a mass external link farm, suggesting a phishing or scam attempt. The document body contains the malicious URL and other links, reinforcing the lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=pdf+file+online+merge
- http://files.sullivanvethospital.com/uploads/1/3/0/7/130774999/5ca02.pdf
- http://files.shorecapmgmt.com/uploads/1/3/1/3/131383727/galesonenuk-kuriwanajosuku-vusopenejujog.pdf
- http://files.kypba.com/uploads/1/3/2/7/132710592/galalezujuru-patovufove.pdf
- https://cdn.shopify.com/s/files/1/0429/6369/7817/files/cfa_level_1_study_material.pdf
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/98550659331.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6514/files/43125499434.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77160317291.pdf
- https://cdn.shopify.com/s/files/1/0437/2394/8183/files/jotuvawakexij.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68736518606.pdf
- https://cdn.shopify.com/s/files/1/0435/5820/7651/files/hardest_hangman_words.pdf
- https://cdn.shopify.com/s/files/1/0431/1567/5815/files/industrialcraft_2_nuke.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16946396068.pdf
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/64939359070.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/54583217499.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bef.bincb04682c69727452df819178ff5ed614d8e99451c507c1b68718cc512532c27a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BEF | 4840 bytes |
font_01_sfnt_off00006c51.binfeb32a9852ef8837d1129b2dc956c0489158bf14f52cc49585f3e50ebe1107fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C51 | 10140 bytes |
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