MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary malicious link redirects to `ttraff.com`, a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document's content and structure suggest a phishing or scam attempt designed to lead users to malicious infrastructure.
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=sample+mba+recommendation+letter+pdf
- http://files.electrikhana.org/uploads/1/3/1/4/131438823/6308948.pdf
- http://files.the-therapy-centre.com/uploads/1/3/0/7/130739060/birubuwururabila.pdf
- http://files.glambyjac.com/uploads/1/3/1/3/131379343/5922194.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/5610/2565/files/lovilepipewulojoxotetep.pdf
- https://cdn.shopify.com/s/files/1/0436/3796/4960/files/bseb_matric_result_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/9222/9787/files/95183817338.pdf
- https://cdn.shopify.com/s/files/1/0433/7729/5516/files/toastmasters_competent_communicator.pdf
- https://cdn.shopify.com/s/files/1/0430/9732/5732/files/78249319174.pdf
- https://cdn.shopify.com/s/files/1/0433/0133/9304/files/72979428058.pdf
- https://cdn.shopify.com/s/files/1/0428/1414/4675/files/rizejimi.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/12217094902.pdf
- https://cdn.shopify.com/s/files/1/0431/1361/1421/files/5110566516.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/magej.pdf
- https://cdn.shopify.com/s/files/1/0431/8475/0743/files/ladaz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000755d.bin369dee79e1b0d63fbcbbe61b40dba6c3c78050939b4375c48dcdf9e49df2ea36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x755D | 5152 bytes |
font_01_sfnt_off000086b6.bin1ee79c47b258f51efaef6ed2d1c9c97c236d11b1e9eda8415d9cfbc6a9a51257 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B6 | 10404 bytes |
font_02_sfnt_off0000aa4e.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA4E | 4324 bytes |
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