MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically identified as a malicious redirector. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic suggests a tactic to manipulate search engine results or distribute content. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.
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=new+headway+beginner+student+s+book+fourth+edition+pdf+gratis
- http://files.amazonindoorplayground.com/uploads/1/3/1/6/131606256/d5178b7720a87.pdf
- http://gifiroli.plantgrowthchambers.com/uploads/1/3/1/4/131438641/xujilarune_tusinebile.pdf
- http://files.fireecologyandbiodiversity.com/uploads/1/3/2/6/132695805/90cd4277.pdf
- https://cdn.shopify.com/s/files/1/0431/7852/4832/files/pilixirukokux.pdf
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/cisco_company_profile_2020.pdf
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/datizofi.pdf
- https://cdn.shopify.com/s/files/1/0434/5767/5421/files/konuzajazutefateran.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/80172398541.pdf
- https://cdn.shopify.com/s/files/1/0438/1592/7965/files/pijufetud.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/62086273246.pdf
- https://cdn.shopify.com/s/files/1/0437/7162/5634/files/fifutusefukobevoloza.pdf
- https://cdn.shopify.com/s/files/1/0430/3791/7345/files/toxaxivasobovovud.pdf
- https://cdn.shopify.com/s/files/1/0436/8600/2843/files/tidesu.pdf
- https://cdn.shopify.com/s/files/1/0428/0709/9558/files/kogulupisej.pdf
- https://cdn.shopify.com/s/files/1/0437/0412/3557/files/architecting_data_lakes_download.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_off0000589d.bin30c1b05dd1f0408fae287dce239b864cfa3091082eb024a5d79dd9c676d8355c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x589D | 5640 bytes |
font_01_sfnt_off00006be7.binc1063b9709ef3e038576278e9adcce10278b6057fc827947eabf50b856292fc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE7 | 10288 bytes |
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