MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as medical information, aiming to lure users to a harmful site. The ML classifier strongly indicated maliciousness, and the presence of numerous embedded links, including one to a known malicious redirector, supports this assessment. The document body and embedded URLs suggest a phishing or SEO poisoning attack.
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=bphc+full+form+in+medical
- http://kitujum.andrewphillipschmidt.com/uploads/1/3/0/8/130874038/9261ed597a7.pdf
- https://cdn.shopify.com/s/files/1/0431/7983/5547/files/titejo.pdf
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/mukuwukemuzoda.pdf
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/pmmc_ammeter_and_voltmeter.pdf
- https://cdn.shopify.com/s/files/1/0432/7188/0870/files/52912027759.pdf
- https://cdn.shopify.com/s/files/1/0429/6913/7305/files/safisusodunoxebo.pdf
- https://cdn.shopify.com/s/files/1/0431/9769/4114/files/bakerumorarupur.pdf
- https://cdn.shopify.com/s/files/1/0438/8575/6568/files/nifaxapukarabujog.pdf
- https://cdn.shopify.com/s/files/1/0447/9765/7248/files/principles_of_communication_ziemer.pdf
- https://cdn.shopify.com/s/files/1/0429/3391/1705/files/71814252749.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4465/files/depebeneribesexibuvag.pdf
- https://cdn.shopify.com/s/files/1/0434/6845/6086/files/nosuzegexatagaxowoxam.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_off00005a7c.binabd8e9d8f90c40910218079b6e0f772213891e62d8ebea48d7fd979b13c8e0e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A7C | 5264 bytes |
font_01_sfnt_off00006c36.bin92c7d1f608404349d8d7f550b86333c783629c97143e7535a3776658f5e48b97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C36 | 9920 bytes |
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