MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=da+5500+fillable+pdf'. This suggests the document is designed to redirect users to malicious content, likely as part of a phishing or scam campaign. The presence of numerous Shopify-hosted PDF links further indicates a link farm or SEO manipulation tactic to obscure the malicious destination.
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=da+5500+fillable+pdf
- http://files.jedburghgs.com/uploads/1/3/2/7/132710630/8601675.pdf
- http://files.daankahmann.com/uploads/1/3/1/0/131071043/3352974.pdf
- http://files.teachingenrichmentkids.com/uploads/1/3/1/4/131407179/fibowuxexorepataso.pdf
- http://files.straystreetstnr.com/uploads/1/3/2/3/132302970/doribukoz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3262/4797/files/59433020780.pdf
- https://cdn.shopify.com/s/files/1/0432/4687/8882/files/gegifesepoxatud.pdf
- https://cdn.shopify.com/s/files/1/0435/5552/0667/files/24922276585.pdf
- https://cdn.shopify.com/s/files/1/0427/9340/2534/files/jarebakiwabegegozox.pdf
- https://cdn.shopify.com/s/files/1/0435/0954/7174/files/32589681261.pdf
- https://cdn.shopify.com/s/files/1/0428/2250/0518/files/31026409740.pdf
- https://cdn.shopify.com/s/files/1/0432/7460/0598/files/33997886950.pdf
- https://cdn.shopify.com/s/files/1/0429/3686/0839/files/devededatisarexosus.pdf
- https://cdn.shopify.com/s/files/1/0440/2901/8262/files/74690740261.pdf
- https://cdn.shopify.com/s/files/1/0431/6551/5933/files/zisirito.pdf
- https://cdn.shopify.com/s/files/1/0434/0134/7226/files/38987543164.pdf
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/50189842439.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000047f0.bin810477318f4a7463ca639f6dad87c18ea652ffa90f7abfa2587f0488a41dd7fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47F0 | 5168 bytes |
font_01_sfnt_off0000599b.bind3e1064c170d28a49a5996141224937659013fdfe3444dd84a0fe14533f417f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x599B | 10068 bytes |
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