MALICIOUS
194
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 a malicious redirector. The document body, though partially corrupted, includes text related to child development and the malicious URL, suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing users to malicious infrastructure via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.cc/wb?keyword=brain%20development%20of%20a%20child%20pdf In PDF document text
- http://files.naturalhealthyoga.com/uploads/1/3/1/8/131871390/552867.pdfIn PDF document text
- http://files.trinityunitedwallaceburg.com/uploads/1/3/0/7/130776648/48e2d6b.pdfIn PDF document text
- http://files.bruinjewelry.com/uploads/1/3/1/3/131398378/6810746.pdfIn PDF document text
- http://files.countryweddingsatcrookedriverfarm.com/uploads/1/3/0/8/130814531/9903601.pdfIn PDF document text
- http://files.juliereneephoto.com/uploads/1/3/1/6/131606003/zozajunazozar.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/30210177290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1097/2053/files/buramuzuxawepure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3128/2335/files/vuwagaburikozozelidenefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3225/5392/files/fajipaxusewugosekipufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2959/files/jijikazavaselapitowopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7555/7793/files/19895040893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3579/5354/files/lumokazefuralefupafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6799/8359/files/juvirotamarakad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5841/1158/files/bobcat_s130_specs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6065/8330/files/topovisavefagelipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4522/2550/files/modern_arabic_short_stories.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6776/0028/files/management_of_gestational_diabetes_mellitus.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7291 | 5116 bytes |
SHA-256: 925aadf88d02bd1420a7ad702e2ddcc342ece73c2a7918563c012fbeb00fe2e8 |
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font_01_sfnt_off000083c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83C6 | 10120 bytes |
SHA-256: f38d6fe86a981f89abc396d7989bf8dc6d4388022e132b87e7e6f26c81d85d6b |
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font_02_sfnt_off0000a673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA673 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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