MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as 'cds eligibility pdf'. This indicates a phishing or social engineering attempt to lure users to malicious content. The PDF also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to obscure the malicious redirector. 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/pify?keyword=cds+eligibility+pdf
- http://files.highfivegolfclub.com/uploads/1/3/0/7/130775503/pajubu.pdf
- http://ligabemef.nod-production.de/uploads/1/3/2/6/132695540/sodelejajozulolet.pdf
- http://files.facepaintingkat.com/uploads/1/3/1/4/131437865/6581396.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/all_rotom_forms.pdf
- https://cdn.shopify.com/s/files/1/0439/3995/4856/files/steven_s_skiena_the_algorithm_design_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8375/files/43636206394.pdf
- https://cdn.shopify.com/s/files/1/0435/4962/2431/files/kuraxez.pdf
- https://cdn.shopify.com/s/files/1/0433/8378/3575/files/mathematics_content_methods_meaning.pdf
- https://cdn.shopify.com/s/files/1/0440/6745/5128/files/femaneg.pdf
- https://cdn.shopify.com/s/files/1/0430/2556/3801/files/tawonaman.pdf
- https://cdn.shopify.com/s/files/1/0431/3989/1357/files/biografia_de_pierre_bourdieu.pdf
- https://cdn.shopify.com/s/files/1/0432/6667/0745/files/newspaper_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0431/8740/4968/files/lidenojukibuzib.pdf
- https://cdn.shopify.com/s/files/1/0447/8841/6663/files/multi_stage_theory_of_carcinogenesis.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/temotizutuxatumanozelew.pdf
- https://cdn.shopify.com/s/files/1/0434/1638/7733/files/folofimebumol.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_off00007040.bin221384630d2ab89401ad75816c5ba20073004fb5c6af5069d1cf5c1caabb42c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7040 | 5048 bytes |
font_01_sfnt_off00008188.bin24aae1cd99877fdd57fa6299dbb1562a270e1b66fa13c2b4536b6fee5779cff5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8188 | 10180 bytes |
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