MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The sample is a PDF document that contains a large number of embedded links, many of which point to external resources. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure, specifically `https://ttraff.com/pify?keyword=tri+fold+brochure+mockup+free`. The document body, though heavily obfuscated, contains similar text, suggesting a lure. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful sites.
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=tri+fold+brochure+mockup+free
- http://xoreluxem.northwoodsgourmetgirl.com/uploads/1/3/2/8/132814930/e4d2b.pdf
- http://koxoson.shawndonahue13.com/uploads/1/3/0/7/130776167/podapirok-pewodamemilajov-regirop.pdf
- http://jegaxene.sublimequran.org/uploads/1/3/1/3/131383544/sulidigomajatodo.pdf
- http://nisanip.n1ceandsweet.com/uploads/1/3/0/7/130776433/d88fb06e1372d.pdf
- https://cdn.shopify.com/s/files/1/0438/8506/8456/files/14692634978.pdf
- https://cdn.shopify.com/s/files/1/0429/5956/9055/files/79948983971.pdf
- https://cdn.shopify.com/s/files/1/0432/0172/4580/files/ruromipevikigutuzegu.pdf
- https://cdn.shopify.com/s/files/1/0434/1350/4150/files/titavunavedifajegiwep.pdf
- https://cdn.shopify.com/s/files/1/0437/7716/3426/files/4376586787.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/39448360893.pdf
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/dufezuvusinarozu.pdf
- https://cdn.shopify.com/s/files/1/0435/2465/3224/files/44413510363.pdf
- https://cdn.shopify.com/s/files/1/0441/3833/2312/files/74407376460.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_off00007810.bin9fc485b232542a759753f8e5b9a87b4592f61c6c45ab296825f7afa6f68d546b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7810 | 5160 bytes |
font_01_sfnt_off00008974.bin76f78325cd906b02b79ec04e65b7601cfb4e883c9e807a6dd9f073e525c74407 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8974 | 10232 bytes |
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