MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a large number of embedded links, many of which point to suspicious or unknown domains, indicating a link farm or redirector strategy. The primary malicious URL identified is ttraff.ru, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to a questionnaire and URLs, reinforcing the phishing lure. No scripts were extracted, but the PDF structure itself is used to host and distribute malicious links.
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.ru/pify?keyword=conduct+disorder+questionnaire+pdf
- http://files.islaviolinecolodge.com/uploads/1/3/2/6/132695321/wenoxopotexixanabep.pdf
- http://noxomanab.gythapress.org/uploads/1/3/1/1/131164250/59bb6430.pdf
- http://files.kkmediation.com/uploads/1/3/1/6/131606262/manilufarodezom.pdf
- http://rorun.preserveschoettler.com/uploads/1/3/2/6/132681670/1d83a241e306.pdf
- http://files.fredericksburgpresbyterian.org/uploads/1/3/1/4/131437956/7e2318416863.pdf
- https://cdn.shopify.com/s/files/1/0437/8496/2199/files/pdf._js_viewer_hide_toolbar.pdf
- https://cdn.shopify.com/s/files/1/0431/6135/4389/files/garorejaludo.pdf
- https://cdn.shopify.com/s/files/1/0433/4298/7422/files/41704930580.pdf
- https://cdn.shopify.com/s/files/1/0429/5114/7679/files/81864872461.pdf
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/mexugofamawirufowuzag.pdf
- https://cdn.shopify.com/s/files/1/0428/3046/3142/files/wild_n_out_episodes.pdf
- https://cdn.shopify.com/s/files/1/0435/7141/3151/files/sobukowokufusosofevorat.pdf
- https://cdn.shopify.com/s/files/1/0434/6229/5716/files/bi_profenid_bula.pdf
- https://cdn.shopify.com/s/files/1/0428/9078/9020/files/63239502237.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_off00006d77.bin703864bd14622bafd56fe2e932d4467de214088fd0bdd9184e01e75be78ca55c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D77 | 5148 bytes |
font_01_sfnt_off00007f05.bin33b31d5f3c81cd20b79309971f88409df3de9addf1f5252d6aa0ec1bfb6be8bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F05 | 10728 bytes |
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