MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at `https://ttraff.ru/pify?keyword=n%25C3%25A9gritude+et+humanisme+pdf`. The presence of a link farm suggests an attempt to distribute malicious content or engage in SEO poisoning. The ML classifier also strongly indicated maliciousness.
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=n%25C3%25A9gritude+et+humanisme+pdf
- http://kafevet.jssst.net/uploads/1/3/0/8/130873826/1018279.pdf
- http://files.myintrinsicbeauty.com/uploads/1/3/1/4/131453068/pebidolivopulek.pdf
- http://files.adrienneisakovic.com/uploads/1/3/1/4/131437283/85f3bb109.pdf
- http://rireru.stcolumbasculloden.org/uploads/1/3/1/4/131453329/edc31fe84da.pdf
- https://cdn.shopify.com/s/files/1/0450/7769/2581/files/pasion_segun_antigona_perez.pdf
- https://cdn.shopify.com/s/files/1/0430/1488/1433/files/alexandra_kohan.pdf
- https://cdn.shopify.com/s/files/1/0428/9904/6553/files/suffixes_worksheets_grade_5.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/42281815693.pdf
- https://cdn.shopify.com/s/files/1/0432/4291/3955/files/fubokeva.pdf
- https://cdn.shopify.com/s/files/1/0437/6189/3534/files/suxelude.pdf
- https://cdn.shopify.com/s/files/1/0435/0499/2421/files/44508539976.pdf
- https://cdn.shopify.com/s/files/1/0433/7932/7137/files/auditing_assurance_services_7e.pdf
- https://cdn.shopify.com/s/files/1/0429/9338/5633/files/390165466.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006103.bin5f24e8d0f314bf4ee8bb083350963f69ec4d8055eae16306f518ecb36e92377a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6103 | 5308 bytes |
font_01_sfnt_off000072a2.bin924bbfcae74df0aebf75ff4503edc956d92e3578e8a729c5fce11d30a26fda39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A2 | 12100 bytes |
font_02_sfnt_off00009906.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9906 | 4324 bytes |
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