MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'tutorial html and css pdf' and the malicious URL itself, suggesting a lure to trick users into clicking. The presence of numerous external PDF links further indicates a link farm or redirection 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/pify?keyword=tutorial+html+and+css+pdf
- http://files.fultonelementarypta.org/uploads/1/3/1/6/131637498/kuxemotiropu_xubazolis_medesonamowezev.pdf
- http://files.coolblue-bb.com/uploads/1/3/1/3/131380126/352004.pdf
- http://liduza.jackhammerwrestling.com/uploads/1/3/1/4/131437812/javomukilosote.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5653/6471/files/champagne_dress_formal.pdf
- https://cdn.shopify.com/s/files/1/0429/4439/7468/files/18255997924.pdf
- https://cdn.shopify.com/s/files/1/0434/6786/6278/files/jeguwivafavozog.pdf
- https://cdn.shopify.com/s/files/1/0430/9113/2567/files/flight_training_magazine.pdf
- https://cdn.shopify.com/s/files/1/0436/0513/1421/files/charlotte_danielson_rubric.pdf
- https://cdn.shopify.com/s/files/1/0431/3445/1874/files/pezudunexedulatudi.pdf
- https://cdn.shopify.com/s/files/1/0429/1097/4108/files/nabiwuvakutagadusijeza.pdf
- https://cdn.shopify.com/s/files/1/0440/5808/3493/files/java_platform_se_binary_is_not_responding.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_off0000a519.bin12250ad96fcc016dfff01b6237cace792612af8d42172649d9fb51814f59fb0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA519 | 5344 bytes |
font_01_sfnt_off0000b719.binde151b358ce3e0289ef4949b188229711b0f35b43aa7166c602388e716b26682 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB719 | 20180 bytes |
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