MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=mud+logging+sensors+pdf, which likely serves as a lure to a malicious site. The presence of numerous links suggests a link farm or SEO poisoning tactic to distribute 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=mud+logging+sensors+pdf
- http://files.openstudiocambodia.com/uploads/1/3/0/9/130969310/xakulavunokaxi.pdf
- http://nibadebi.hc4yf.org/uploads/1/3/0/7/130738524/kibibegufujana-zotanufe.pdf
- http://files.milwaukeephotobooth.net/uploads/1/3/1/8/131871419/700e32a98a8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4334/8892/files/54209340641.pdf
- https://cdn.shopify.com/s/files/1/0436/9275/3049/files/how_to_delete_old_emails_in_gmail.pdf
- https://cdn.shopify.com/s/files/1/0432/1542/1599/files/peguluxivuvoxetatolap.pdf
- https://cdn.shopify.com/s/files/1/0429/4977/1427/files/nolowuzevezus.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3809/files/42894900785.pdf
- https://cdn.shopify.com/s/files/1/0436/2282/6142/files/21760528516.pdf
- https://cdn.shopify.com/s/files/1/0431/9523/6509/files/79070944261.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/java_bubble_sorting.pdf
- https://cdn.shopify.com/s/files/1/0431/3710/6087/files/tardis_sounds_effects.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a3b.bin4791273c1e76792602b743fb33ee979d61f4e361f75e60ee9c028dbef43bdc61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A3B | 5004 bytes |
font_01_sfnt_off00007b5d.binfa74473559fde1febdcd604810baa105b7b8a48465f4a72e894446ee91b4abbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B5D | 9968 bytes |
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