MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a known malicious redirector. The document body, though partially garbled, includes text related to a bus schedule and the wkhtmltopdf tool, suggesting a lure. The presence of a link farm heuristic further indicates an attempt to manipulate search engine results or distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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/wb?keyword=186%20bus%20schedule%20nj%20pdf
- http://files.niaimani.net/uploads/1/3/2/7/132741194/f4f62.pdf
- http://files.keepanopenmind.net/uploads/1/3/0/8/130814642/354913.pdf
- http://files.nicholastoddshumate.com/uploads/1/3/1/1/131164418/7969586.pdf
- http://files.dianehaymesphotography.com/uploads/1/3/1/8/131858287/94fcd.pdf
- http://files.middlelanefarm.com/uploads/1/3/1/3/131383467/6d4d8d105.pdf
- http://files.trailblazersunit.com/uploads/1/3/1/6/131636995/tekatejafavo_fuvodetomevi.pdf
- http://files.seatoskycheer.com/uploads/1/3/0/7/130738951/finejak.pdf
- http://files.romehospitalfoundation.org/uploads/1/3/2/6/132695994/4493471.pdf
- http://files.raquelmeraki.com/uploads/1/3/2/7/132740860/3354846.pdf
- https://puxekagoduse.files.wordpress.com/2020/07/bonodarimatorepefejexod.pdf
- https://ximuzasonuzi.files.wordpress.com/2020/07/74915810560.pdf
- https://wekusov.files.wordpress.com/2020/07/56383656968.pdf
- https://zagezaf.files.wordpress.com/2020/06/51759627838.pdf
- https://wemekuwi606608615.files.wordpress.com/2020/07/50801687671.pdf
- https://dazapume.files.wordpress.com/2020/06/vemefivatekoxojodugok.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38664456414.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31443612403.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_off00006889.bincdc83c999b839a7f844354d6ee3462f13c58ceb561eecebd41ca5e62b7220b35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6889 | 5100 bytes |
font_01_sfnt_off000079d7.binaa939292405e7110c8dadfbea88d0825e8194030040b5fdeaa5f614587219f9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D7 | 10096 bytes |
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