MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, likely for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at ttraff.me. The document body, though heavily obfuscated, contains text related to 'phonics activities for kindergarten pdf' and the malicious URL, suggesting a lure to disguise the malicious intent. 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.me/wix?keyword=phonics+activities+for+kindergarten+pdf
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/capitalization_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/9930/8711/files/vezuxavekusu.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/nelore.pdf
- https://cdn.shopify.com/s/files/1/0432/9416/3109/files/surasiluru.pdf
- https://cdn.shopify.com/s/files/1/0440/5536/3734/files/nuteg.pdf
- https://cdn.shopify.com/s/files/1/0438/2166/2365/files/minority_report_2002_free.pdf
- https://cdn.shopify.com/s/files/1/0433/8873/1546/files/57596359400.pdf
- https://cdn.shopify.com/s/files/1/0435/6636/6869/files/mcgraw_hill_algebra_2_textbook_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/8148/9813/files/nonverbal_communication_definition.pdf
- https://cdn.shopify.com/s/files/1/0432/4504/3876/files/pdf_botany_mcqs.pdf
- https://cdn.shopify.com/s/files/1/0431/7839/3764/files/how_to_get_looting_enchantment.pdf
- https://cdn.shopify.com/s/files/1/0434/2264/6422/files/abordagem_qualitativa_livro.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_off000069b0.binda871bbc53497a762450cbc0d885dc91541b4536d681d2eecf2d8a5c478596b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69B0 | 5508 bytes |
font_01_sfnt_off00007c79.bin1bb42a63f4747f2b972bb1512e08f7f1fcaf1c4fd0fe26367eed42bba50d5929 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C79 | 10320 bytes |
font_02_sfnt_off00009ffe.binb7c299703b3dd81765663870cd96ff12ce36bab60d46ac4ddf719f3c8dfc5471 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FFE | 16448 bytes |
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