MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a link farm designed for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=cement+concrete+road+construction+process+pdf'. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=cement+concrete+road+construction+process+pdf
- http://files.connectedpropertyinvestment.co.uk/uploads/1/3/0/7/130775102/sejabifewenotovin.pdf
- http://files.innerpeacepastor.com/uploads/1/3/2/6/132696111/1229389.pdf
- http://files.studiobeeproductions.com/uploads/1/3/0/7/130738619/a63d9e2b4b134ac.pdf
- http://files.mootingsyndicate.org/uploads/1/3/1/4/131483253/lewotidedimitufemini.pdf
- http://files.dicksmarketgardens.com/uploads/1/3/1/8/131856770/8683407.pdf
- https://cdn.shopify.com/s/files/1/0432/2364/6365/files/16090028519.pdf
- https://cdn.shopify.com/s/files/1/0431/0230/6468/files/nulifuwegejizukegorinik.pdf
- https://cdn.shopify.com/s/files/1/0438/3608/0285/files/pofibimojifudafol.pdf
- https://cdn.shopify.com/s/files/1/0433/7473/9607/files/20695267325.pdf
- https://cdn.shopify.com/s/files/1/0434/9516/2022/files/nobixorijo.pdf
- https://cdn.shopify.com/s/files/1/0431/8868/2915/files/69913162279.pdf
- https://cdn.shopify.com/s/files/1/0434/6744/0290/files/wiguroluxusuxemekuferebad.pdf
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/93136983416.pdf
- https://cdn.shopify.com/s/files/1/0430/2523/6121/files/94239858970.pdf
- https://cdn.shopify.com/s/files/1/0429/2558/8639/files/gulesir.pdf
- https://cdn.shopify.com/s/files/1/0433/6893/9672/files/66598752576.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_off00007441.bin71e49f881417ea5fa440101d40b888ce0872bf23b671765bcbdc41959f7b3563 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7441 | 5172 bytes |
font_01_sfnt_off000085b6.bin53deccad58bee1f09e235369c62144796d349bb2f81ad436f13918166c085c73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85B6 | 10088 bytes |
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