MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure, but the presence of the malicious redirector is a strong indicator of a phishing or redirection attack.
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=back+to+school+vector
- http://files.fenestraglazing.co.uk/uploads/1/3/0/8/130814234/pomikijorufobufuwez.pdf
- http://files.michaelrplewa.com/uploads/1/3/0/9/130969645/sazobidexegeju.pdf
- http://files.centelmedia.us/uploads/1/3/1/8/131871979/febagiwev.pdf
- http://files.suaxc.com/uploads/1/3/0/9/130969179/giwovuguj.pdf
- https://cdn.shopify.com/s/files/1/0431/9156/6493/files/49840029955.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pujofupokutesigitugut.pdf
- https://cdn.shopify.com/s/files/1/0430/2422/0321/files/gamopi.pdf
- https://cdn.shopify.com/s/files/1/0434/6111/6064/files/94853312828.pdf
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/jijek.pdf
- https://cdn.shopify.com/s/files/1/0431/8891/2290/files/vemagavelaxiboju.pdf
- https://cdn.shopify.com/s/files/1/0437/6448/2202/files/34329624859.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sopituwoxo.pdf
- https://cdn.shopify.com/s/files/1/0428/6126/5062/files/fiwofi.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_off00007783.bine5c68c406a159354631da22bb12c1fb67c5bb595ed4f65e4535a7d5523d98091 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7783 | 4696 bytes |
font_01_sfnt_off00008782.bin110154283eae286990deeff3b6c5f1035fc6c51242852980241b1c3466806937 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8782 | 9324 bytes |
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