MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.ru/wix?keyword=online+advertising+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'online advertising pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of numerous other PDF links, many pointing to Shopify, indicates a potential link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious.
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/wix?keyword=online+advertising+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1750/1853/files/counterintelligence_awareness_and_reporting_brief.pdf
- https://cdn.shopify.com/s/files/1/0454/2994/8572/files/lipid_lowering_treatment_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0436/9619/3686/files/wedilagokarozigitajafiruj.pdf
- https://cdn.shopify.com/s/files/1/0432/1896/0545/files/alif_novel_free.pdf
- https://static.usrfiles.com/ugd/b8c837_14adb31cc52b42c2910f88d46b30196b.pdf
- https://static.usrfiles.com/ugd/6d59ab_5e8b4e9998af493988a5c0b053478840.pdf
- https://static.usrfiles.com/ugd/f523c3_f9e97a9f3d914f09ad65d6e4c5a6372b.pdf
- https://static.usrfiles.com/ugd/d7ba0f_6719c76122fb478098674294070fe426.pdf
- https://cdn.shopify.com/s/files/1/0465/0188/8168/files/intro_logo_template_after_effects.pdf
- https://cdn.shopify.com/s/files/1/0433/7152/8344/files/49590007138.pdf
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/3339892969.pdf
- https://cdn.shopify.com/s/files/1/0433/4298/7423/files/93818982471.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_off000067d5.binad1209dabb64d991ffe90712429cc2a71619b94396fa887d406c371b3c188fa8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D5 | 5296 bytes |
font_01_sfnt_off000079ee.binf64fea16e5d657bd7cc8762ead2eed55ded7a15442efd3697a59b8b243336654 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79EE | 10640 bytes |
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