MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links, including one pointing to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though partially obfuscated, mentions "Charters school sixth form open day", suggesting a lure to trick users into clicking the malicious links. The presence of multiple PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier also 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/pify?keyword=charters+school+sixth+form+open+day
- http://files.directaimmedia.com/uploads/1/3/1/3/131383753/7111459.pdf
- http://zamek.janenicola.com/uploads/1/3/2/8/132814930/vojigekukufetelif.pdf
- http://rowevuro.puzzle-pieces.org/uploads/1/3/2/7/132712354/cfd10f80.pdf
- http://files.booneiowasoca.manriquez.net/uploads/1/3/0/9/130970016/778641.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3500/7893/files/68582800829.pdf
- https://cdn.shopify.com/s/files/1/0427/6997/3415/files/gexilaxab.pdf
- https://cdn.shopify.com/s/files/1/0432/1322/6139/files/54591696127.pdf
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/lazikukapupijipalerop.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0876/files/twilight_princess_guide.pdf
- https://cdn.shopify.com/s/files/1/0438/6911/0432/files/37134927317.pdf
- https://cdn.shopify.com/s/files/1/0431/0332/2261/files/the_iliad_english.pdf
- https://cdn.shopify.com/s/files/1/0431/2177/0657/files/75915516108.pdf
- https://cdn.shopify.com/s/files/1/0437/9282/6528/files/factoring_polynomials_worksheet_math_aids.pdf
- https://cdn.shopify.com/s/files/1/0433/4521/5656/files/kimekidalilajasug.pdf
- https://cdn.shopify.com/s/files/1/0440/4002/8325/files/ada_guidelines_2018_service_animals.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_off0000547e.bina912172c3fdc5305f78e86921e5aa2c1a9bdc0e2e094232bafb12abede40a330 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x547E | 5468 bytes |
font_01_sfnt_off000066fc.bina79446a6e080b0a998d1bccd701a89892599d2f39d39c1b3b39c378ff7111272 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66FC | 9980 bytes |
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