MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=potato+salt+water+osmosis+lab+report+conclusion. The document body, though heavily obfuscated, appears to contain academic-sounding text to disguise the malicious intent. The ML classifier strongly indicated maliciousness, and the presence of a link farm heuristic further supports the malicious nature of this document.
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=potato+salt+water+osmosis+lab+report+conclusion
- http://gokuwigop.education-deans.org/uploads/1/3/0/7/130739704/sonatupam.pdf
- http://files.jessmag.com/uploads/1/3/1/8/131872104/34e9b.pdf
- http://fakiwibor.ewengur.com/uploads/1/3/1/3/131383483/xigip-mapasenepuwawuk-zawokuj.pdf
- http://files.wildgingerdaycare.com/uploads/1/3/0/7/130775850/nidoxijebepolewazew.pdf
- http://files.kawsaycenterperu.org/uploads/1/3/0/8/130814980/xifudifenowi.pdf
- https://cdn.shopify.com/s/files/1/0431/6643/3435/files/34042564930.pdf
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/barusur.pdf
- https://cdn.shopify.com/s/files/1/0453/8272/9896/files/36753046385.pdf
- https://cdn.shopify.com/s/files/1/0441/4645/8776/files/85797576811.pdf
- https://cdn.shopify.com/s/files/1/0433/1700/2405/files/namatatozapuxegaxino.pdf
- https://cdn.shopify.com/s/files/1/0435/8442/2051/files/breathing_underwater_rohr.pdf
- https://cdn.shopify.com/s/files/1/0440/6748/7894/files/california_pizza_kitchen_menu_prices.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000663e.binf5a2a3714dca3731a22c3d13ca72a5f5cde4ea00611d788d211ed42aa472a356 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x663E | 5312 bytes |
font_01_sfnt_off0000783c.bindc0ddaa6788e3f9f47819a7a9333c0aa73bcf79a7b9d4b197b909bb48dcb7791 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x783C | 10448 bytes |
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