MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector URL. The document body, though heavily obfuscated, contains a reference to 'Sap for beginners' and the malicious URL, suggesting a phishing or scam attempt. The ML classifier strongly indicates maliciousness, and the presence of a link farm further supports a malicious intent to redirect users.
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/wix?keyword=sap+for+beginners
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/d3758e_fdbb596feaae4b9d8f36d3ab227047a3.pdf
- https://static.usrfiles.com/ugd/930050_ad2c1a72369f4db18f03fdb2f4617a40.pdf
- https://static.usrfiles.com/ugd/b8c837_21ad8ac7d4304e9da264adf9cb0aa49b.pdf
- https://static.usrfiles.com/ugd/c068f8_b5a9cbd2896749deb299591e99b2a1b4.pdf
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/99835521421.pdf
- https://cdn.shopify.com/s/files/1/0432/1764/9819/files/protective_relaying_theory_and_appli.pdf
- https://cdn.shopify.com/s/files/1/0440/3753/7942/files/34861514060.pdf
- https://cdn.shopify.com/s/files/1/0433/9066/4860/files/70024421847.pdf
- https://cdn.shopify.com/s/files/1/0439/7786/7422/files/27021539134.pdf
- https://cdn.shopify.com/s/files/1/0428/0814/8127/files/sugonejidopalil.pdf
- https://cdn.shopify.com/s/files/1/0430/7435/5351/files/escaping_the_giant_wave_audio.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/43778875991.pdf
- https://cdn.shopify.com/s/files/1/0435/2563/6250/files/face_recognition_system.pdf
- https://cdn.shopify.com/s/files/1/0437/4485/4165/files/gebani.pdf
- https://cdn.shopify.com/s/files/1/0434/9231/1206/files/kimodinexosidemewizukaf.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_off00008395.bine48f633921717a2addba4f5012631949a483f40fec0028270fb51028f1a35454 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8395 | 5280 bytes |
font_01_sfnt_off00009594.binf408202da8906b85483cb20ca238aff1a288b3313bb0255c458035bece1cd609 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9594 | 12952 bytes |
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