MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious sites. The primary redirector link, https://ttraff.ru/pify?keyword=civic+education+pdf+zambia, is flagged as malicious. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the sheer volume of links and the malicious redirector suggest a drive-by download or phishing attempt.
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=civic+education+pdf+zambia
- http://files.one-girls-empire.com/uploads/1/3/0/7/130775537/tudigimiluwumego.pdf
- http://files.rebelgearofficial.com/uploads/1/3/0/7/130739532/depijavopitisiz_xoxodefitudem.pdf
- http://files.artleapadventures.com/uploads/1/3/0/7/130775649/9793677.pdf
- http://files.autolandcars.ca/uploads/1/3/0/9/130969399/28f999941e.pdf
- https://cdn.shopify.com/s/files/1/0433/2158/9913/files/kejutazotebipazasulaxiwiv.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruketisoren.pdf
- https://cdn.shopify.com/s/files/1/0434/9899/5864/files/24168692182.pdf
- https://cdn.shopify.com/s/files/1/0432/1994/3579/files/nejaje.pdf
- https://cdn.shopify.com/s/files/1/0435/4395/3563/files/california_dmv_release_of_liability.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4562/files/kodovisofuzexanesabenawe.pdf
- https://cdn.shopify.com/s/files/1/0430/9444/2133/files/bovawarosudinawokogamal.pdf
- https://cdn.shopify.com/s/files/1/0430/1458/6521/files/jetexojubanibulasejejag.pdf
- https://cdn.shopify.com/s/files/1/0430/8369/4247/files/ridulivexo.pdf
- https://cdn.shopify.com/s/files/1/0450/5174/0310/files/how_to_code_a_game.pdf
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/maketus.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_off00004cbc.binb16b9d6dc7e5e1d9aa1a41848c868bf1f17a1ac7e7f841f6bee71e94d7afbf3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CBC | 5152 bytes |
font_01_sfnt_off00005e41.bincba83b059d233f95564022c0914b1b0cfc44d648f359f1d256a65e6cacb6dbe0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E41 | 9936 bytes |
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