MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that redirect to known malicious infrastructure, specifically a redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same redirector URL and a URL pointing to a PDF hosted on Shopify. This suggests a phishing or scam attempt where the user is tricked into clicking the link, leading them to a malicious site. The ML classifier strongly supports the malicious nature of this PDF.
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=online+piano+sheet+music+generator
- http://files.milkearlyparentingsupport.com/uploads/1/3/0/7/130776253/4337250.pdf
- https://cdn.shopify.com/s/files/1/0433/7205/2643/files/tokafimodujoduvubeg.pdf
- https://cdn.shopify.com/s/files/1/0431/3468/1250/files/it_infrastructure_project_manager_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/7555/7793/files/wufasomejoziviri.pdf
- https://cdn.shopify.com/s/files/1/0431/4732/9698/files/final_commissioning_report_sample.pdf
- https://cdn.shopify.com/s/files/1/0432/8253/0472/files/rotosivirasakifajejibi.pdf
- https://cdn.shopify.com/s/files/1/0440/2115/3957/files/4831897939.pdf
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/genipurodekiwofu.pdf
- https://cdn.shopify.com/s/files/1/0430/3421/4561/files/vumozug.pdf
- https://cdn.shopify.com/s/files/1/0435/4709/9290/files/cds_ota_syllabus_2020.pdf
- https://cdn.shopify.com/s/files/1/0439/0918/5688/files/18796973284.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_off000052a0.bind236e844d451728a5503ce52bea1b25dd9dd771d6792db739d14053275e38e8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52A0 | 5372 bytes |
font_01_sfnt_off000064b7.bind77aab43b1ae15c843f9b7f49bd61e1d729bc42d6413b3c9d3c0952b0e3aa9be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B7 | 10792 bytes |
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