MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially obfuscated, includes the text 'New economy toeic 2020 pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=new+economy+toeic+2020+pdf
- http://files.sethgangwer.com/uploads/1/3/1/3/131398385/650e101d9.pdf
- http://files.amwellvalleyhounds.org/uploads/1/3/1/6/131606673/fovixiweb-sabukaviwofe.pdf
- http://fanuwita.midwivesadvantage.com/uploads/1/3/0/8/130874254/834647d16.pdf
- http://ropam.whitewarriorhealth.com/uploads/1/3/2/7/132710797/gimureru_wujoxor_gadafetik.pdf
- https://cdn.shopify.com/s/files/1/0431/4424/9504/files/66456509492.pdf
- https://cdn.shopify.com/s/files/1/0429/3751/6191/files/wafetew.pdf
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/dazajagimeta.pdf
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/92813913149.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/attestation_sur_l_honneur_crous_campus_france.pdf
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/17410079139.pdf
- https://cdn.shopify.com/s/files/1/0444/3540/7014/files/night_at_the_museum_full_movie.pdf
- https://cdn.shopify.com/s/files/1/0432/3137/9618/files/2717849214.pdf
- https://cdn.shopify.com/s/files/1/0433/6232/0536/files/36151864350.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84860081798.pdf
- https://cdn.shopify.com/s/files/1/0431/5804/4828/files/roneretodizuleni.pdf
- https://cdn.shopify.com/s/files/1/0434/2058/2050/files/ximepowupixigemot.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_off000082e5.binfe746a7cefd4c1361d28513afe88b48b26eb9d950bc897f889de2b448520c9a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E5 | 5220 bytes |
font_01_sfnt_off000094c8.bin7eef0327e615dc39eaf3d9e20179a39125a42c2f8e260a2d6e4ad59ed5feea80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94C8 | 10068 bytes |
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