MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.com). The document body, though obfuscated, includes text related to 'pediatric fever of unknown origin pdf' and the URL itself, suggesting a lure to a malicious site. The ML classifier strongly indicated maliciousness, and the PDF structure exhibits characteristics of a link farm designed to distribute malicious content.
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=pediatric+fever+of+unknown+origin+pdf
- http://files.graciebarramarlborough.com/uploads/1/3/2/7/132741382/xemezakesimuxiduxem.pdf
- http://jagiwo.apicintermountain123.com/uploads/1/3/1/4/131406286/golujusadug.pdf
- http://files.yes-bin-drin.com/uploads/1/3/1/4/131437477/173a8b074043f.pdf
- http://files.cuestacollegerodeo.com/uploads/1/3/1/3/131383621/zeweruvodunewekeribe.pdf
- https://cdn.shopify.com/s/files/1/0430/5528/4378/files/23743734480.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/69329695337.pdf
- https://cdn.shopify.com/s/files/1/0430/7537/1162/files/seralewi.pdf
- https://cdn.shopify.com/s/files/1/0430/8277/6729/files/15058534923.pdf
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/blank_page_insert.pdf
- https://cdn.shopify.com/s/files/1/0431/2721/0144/files/ielts_writing_task_2_samples_academic_band_8.pdf
- https://cdn.shopify.com/s/files/1/0429/9289/4105/files/poduburid.pdf
- https://cdn.shopify.com/s/files/1/0433/4691/9579/files/41824505151.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/17837705950.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/bezoxodulililodelejezo.pdf
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/12973136625.pdf
- https://cdn.shopify.com/s/files/1/0438/7107/6520/files/impact_of_globalization_on_teacher_education.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_off00009344.bind1c87643023002d573096c2b695acc2ac6de6b20e83074379c41304f58192b54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9344 | 5332 bytes |
font_01_sfnt_off0000a59c.bin14d163f591a8e3d9d268c9d6720506e44aaed9c975086134b94ced5f2ef98cbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA59C | 10620 bytes |
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