MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high density of embedded URLs, many pointing to Shopify domains, which is indicative of a link farm or SEO spam campaign. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.cc/pify?keyword=arduino+uart+tutorial+pdf`. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated.
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.cc/pify?keyword=arduino+uart+tutorial+pdf
- http://files.pellandconsutling.com/uploads/1/3/2/6/132681836/6417755.pdf
- http://files.theemberon3rd.com/uploads/1/3/0/8/130813965/a25c80.pdf
- http://files.inspiredmusic.us/uploads/1/3/0/8/130813111/856c2df047f.pdf
- http://files.alorenzdesign.com/uploads/1/3/0/9/130968985/tigudiwakeg.pdf
- https://cdn.shopify.com/s/files/1/0433/3872/7589/files/41892316278.pdf
- https://cdn.shopify.com/s/files/1/0429/9807/1450/files/45041596241.pdf
- https://cdn.shopify.com/s/files/1/0430/4335/6821/files/zuvexiwe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15900382268.pdf
- https://cdn.shopify.com/s/files/1/0434/6734/1974/files/98796057954.pdf
- https://cdn.shopify.com/s/files/1/0429/7854/1722/files/44060345417.pdf
- https://cdn.shopify.com/s/files/1/0438/6249/1286/files/relus.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.pdf
- https://cdn.shopify.com/s/files/1/0434/8834/6262/files/66294703158.pdf
- https://cdn.shopify.com/s/files/1/0437/8483/1125/files/ladegogorewesewimesokuxi.pdf
- https://cdn.shopify.com/s/files/1/0433/1683/8558/files/93122210848.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_off00006305.binc772ae7ed3cc1f0fb8db7062858317f701b5985f2ee7c9d14888eb0dcabeb662 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6305 | 4848 bytes |
font_01_sfnt_off00007392.bin29df84edf902ee1740d0b1d9cbd10f9085d9d760a2270c386cefc1896dd92a98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7392 | 10088 bytes |
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