MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=studio+code+answers', suggesting an attempt to lure users to malicious sites. The presence of numerous PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.
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.com/pify?keyword=studio+code+answers
- http://files.liquidsunshinedesigns.net/uploads/1/3/1/6/131606644/6427307.pdf
- http://files.spanishschoolbus.com/uploads/1/3/1/6/131636781/52161698e8ff.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0432/1044/0862/files/50979621573.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/87051558668.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4622/files/bixby_voice_assistant_app.pdf
- https://cdn.shopify.com/s/files/1/0433/5458/7295/files/karimuvinemabodisidokuvu.pdf
- https://cdn.shopify.com/s/files/1/0432/2554/6912/files/buwibevolakebutuliba.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/95768489897.pdf
- https://cdn.shopify.com/s/files/1/0430/7186/4993/files/beranefewigabeje.pdf
- https://cdn.shopify.com/s/files/1/0434/0996/5212/files/blockchain_pour_les_nuls.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000058cc.bina716babddd26830b9bc01328d3fb748d8015884c9ad416d5040f333c90c9f139 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58CC | 4976 bytes |
font_01_sfnt_off000069c4.bin6033d5868ebd424345066c15dfacd356fe8e8146ca94520302ab7bb542cb7b6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C4 | 10088 bytes |
font_02_sfnt_off00008c28.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C28 | 4324 bytes |
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