MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to ttraff.ru. The document body, though heavily obfuscated, contains the string 'Diagnosa diare pada anak pdf', suggesting a lure to disguise malicious links as legitimate medical information. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely for SEO poisoning or to distribute further malware. No scripts were extracted from this sample.
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=diagnosa+diare+pada+anak+pdf
- http://files.timferriss.com/uploads/1/3/0/7/130775701/wawabofa-xabaf-mowojibebid.pdf
- http://files.vanvolleyleague.ca/uploads/1/3/1/3/131398547/kikasawuxumitebatek.pdf
- http://files.kenmoreta.org/uploads/1/3/0/7/130776509/xutunu.pdf
- https://cdn.shopify.com/s/files/1/0434/1635/4978/files/aseptic_techniques_microbiology.pdf
- https://cdn.shopify.com/s/files/1/0434/2900/3416/files/tepokazojogow.pdf
- https://cdn.shopify.com/s/files/1/0429/6887/5157/files/tidegukolirumiwekadew.pdf
- https://cdn.shopify.com/s/files/1/0431/7744/3483/files/48436261616.pdf
- https://cdn.shopify.com/s/files/1/0431/4166/0826/files/jejigofam.pdf
- https://cdn.shopify.com/s/files/1/0429/1448/0287/files/ribemariwome.pdf
- https://cdn.shopify.com/s/files/1/0436/3393/4496/files/11160446107.pdf
- https://cdn.shopify.com/s/files/1/0437/5206/3137/files/66201235759.pdf
- https://cdn.shopify.com/s/files/1/0434/1376/6296/files/denelifanusilen.pdf
- https://cdn.shopify.com/s/files/1/0440/7879/2869/files/nepek.pdf
- https://doi.org/10.37676/jmi.v8i2.85
- 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_off00005b88.binf419dd49e30875e993a63523dfaadbc02459b21e600830a7e8daf17a87c46e40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B88 | 5240 bytes |
font_01_sfnt_off00006d73.binfa2cc2447280bc959a8230edea1da13e8eaa85e5fc87755a75eb8f719a9db9c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D73 | 9824 bytes |
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