MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a link to an 'Avengers 3 trailer'. The PDF also functions as a link farm, pointing to numerous other PDFs hosted on various domains, some of which are unknown. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector suggests the intent is to lead the user to a malicious site for further exploitation or phishing.
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.com/pify?keyword=avengers+3+trailer
- http://files.thedetour.org/uploads/1/3/0/8/130813953/b4c46679614576d.pdf
- http://wobokilul.audaciousadmin.com/uploads/1/3/0/9/130969335/164420c4a.pdf
- http://files.projectdiana-eme.com/uploads/1/3/1/4/131453506/511728b164b192c.pdf
- https://cdn.shopify.com/s/files/1/0433/1926/3397/files/define_coliform_bacteria_science_term.pdf
- https://cdn.shopify.com/s/files/1/0436/3331/1904/files/40478987224.pdf
- https://cdn.shopify.com/s/files/1/0447/9824/7069/files/pokemon_tower_defense_hacked_2.pdf
- https://cdn.shopify.com/s/files/1/0433/5550/4795/files/78951495918.pdf
- https://cdn.shopify.com/s/files/1/0430/8720/0418/files/47884051932.pdf
- https://cdn.shopify.com/s/files/1/0429/3125/7510/files/73438947188.pdf
- https://cdn.shopify.com/s/files/1/0432/1860/0103/files/71356967627.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6690/files/algebra_math_book.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c01.bindd011c281445360ffa53891f09ead3e998c181e8218b9f9d509abf50d8b75811 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C01 | 4744 bytes |
font_01_sfnt_off00007c1c.bindb8163a52d3528ab9198639df22708ed4878e3fd4b960faa648b8d97da46854d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C1C | 10128 bytes |
font_02_sfnt_off00009ed5.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ED5 | 4324 bytes |
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