MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=color+by+letter+worksheets+for+kindergarten+pdf, which is likely used to redirect users to further malicious content. The document body and embedded links suggest a lure related to educational worksheets, a common tactic for phishing or malware distribution.
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=color+by+letter+worksheets+for+kindergarten+pdf
- http://files.sbt-c.com/uploads/1/3/1/0/131071167/dea05a5a3.pdf
- http://files.saintjohnparishmorden.org/uploads/1/3/0/8/130874416/kodizilinabiwewu.pdf
- http://files.castletonkids.com/uploads/1/3/0/7/130776619/dosozilobukip-koxogukajej-numaxulaxelenib-basutitiwotigo.pdf
- http://files.lisamccafferty.com/uploads/1/3/1/3/131383664/bamibitamurata.pdf
- https://cdn.shopify.com/s/files/1/0436/6965/1609/files/xununakunumomamebiru.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/mebizisezarifubiwibej.pdf
- https://cdn.shopify.com/s/files/1/0431/7632/9373/files/98999401694.pdf
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/hafele_hardware_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0439/4795/0248/files/62451138185.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49186839350.pdf
- https://cdn.shopify.com/s/files/1/0437/1965/5579/files/irs_enrolled_agent_exam_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kawovuk.pdf
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/1454866759.pdf
- https://cdn.shopify.com/s/files/1/0437/5596/2522/files/new_english_file_intermediate.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_off000063af.binbb04e978b9692044ed48f46c30e3fbe8ebca28bfea5dae6227d8d43631620893 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63AF | 5608 bytes |
font_01_sfnt_off000076d6.bin0fab49ebefe21040f80552d10671cb4f322500ccb83596eeb1b3a418edae4096 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D6 | 10132 bytes |
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