MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a 'tutorial pdf'. The presence of multiple external links, including a link to a known malicious redirector, indicates an attempt to direct users to potentially harmful websites. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.
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/wb?keyword=ug%20nx%2011%20cam%20tutorial%20pdf
- http://files.lindyjames-christenson.com/uploads/1/3/1/3/131379612/3953267.pdf
- http://files.anilani.com/uploads/1/3/1/4/131438456/ee2ae2.pdf
- http://files.emmamurphyrecorders.org/uploads/1/3/0/9/130969334/7696175.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/5167504596.pdf
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/vosisafinokixokopotoge.pdf
- https://cdn.shopify.com/s/files/1/0428/3075/8054/files/80897775521.pdf
- https://cdn.shopify.com/s/files/1/0431/6338/6016/files/99371353032.pdf
- https://cdn.shopify.com/s/files/1/0434/3352/5400/files/62352496622.pdf
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/34696429674.pdf
- https://cdn.shopify.com/s/files/1/0431/4906/6397/files/sivax.pdf
- https://cdn.shopify.com/s/files/1/0434/0062/6341/files/79051361590.pdf
- https://cdn.shopify.com/s/files/1/0431/7780/3931/files/kebudevagixo.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/15817528018.pdf
- https://cdn.shopify.com/s/files/1/0434/3309/9430/files/86266087009.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_off000076d9.bin8cf7ffbed38042c983c250d03a009da461e48f2bed6720c477c01f4d1473419a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D9 | 5172 bytes |
font_01_sfnt_off00008858.bin242001f279e4c4819229c6ad0b372cbf4d17312665ae78427486734975947b82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8858 | 10244 bytes |
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