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.ru, which is disguised as a medical fitness certificate. The document also features a large number of embedded links, many pointing to Shopify domains, suggesting a link farm for SEO poisoning. The ML classifier strongly indicated maliciousness, and the overall structure points to a phishing or redirection 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=medical+fitness+certificate+pdf+for+job
- http://files.mustlovedogs2.com/uploads/1/3/1/8/131856257/kenopodiregupe.pdf
- http://files.thedomainhobart.com/uploads/1/3/1/3/131380850/596616.pdf
- http://files.thequeensmagnet.com/uploads/1/3/2/6/132696512/b9a14b94.pdf
- http://baratexup.vanessalabranche.com/uploads/1/3/1/4/131437778/d4d92bd.pdf
- https://cdn.shopify.com/s/files/1/0433/9567/8357/files/tuwexubofoboj.pdf
- https://cdn.shopify.com/s/files/1/0429/5376/9126/files/fosofefupujebovudafu.pdf
- https://cdn.shopify.com/s/files/1/0432/5307/2022/files/gebuxejevelejevinelimi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87932640634.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/tilebowereva.pdf
- https://cdn.shopify.com/s/files/1/0433/9177/8965/files/30200645693.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/nevosiloragidofimuvova.pdf
- https://cdn.shopify.com/s/files/1/0428/7938/5756/files/lufojagupiwikekudafubu.pdf
- https://cdn.shopify.com/s/files/1/0429/6251/8182/files/zipuxinudi.pdf
- https://cdn.shopify.com/s/files/1/0434/2261/3669/files/d_d_faiths_and_pantheons.pdf
- https://cdn.shopify.com/s/files/1/0432/5936/3478/files/vectors_mechanics_for_engineers.pdf
- https://cdn.shopify.com/s/files/1/0437/7280/5277/files/pevekanukulafifatetidagaj.pdf
- https://cdn.shopify.com/s/files/1/0434/7851/5864/files/bugowugasez.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_off00006791.binb730b14fca72fcd66a80eedbe3d5c783dd3cd69a77f56de29dd4cf7227b71ed4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6791 | 5372 bytes |
font_01_sfnt_off000079ea.bin4cd719508b59aeff2a8d33201b1c053de58db8d6e6d7c776d887a0d574e1f2b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79EA | 9204 bytes |
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