MALICIOUS
152
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.cc, which is disguised as educational content. The ML classifier strongly indicated maliciousness, and the presence of a large number of embedded links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic. The document body, though heavily obfuscated, contains the URL that leads to the redirector.
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.cc/pify?keyword=igcse+chemistry+hodder+education+answers
- http://files.manpatools.com/uploads/1/3/1/1/131164093/03794e4a1.pdf
- http://files.acelebrantinfrance.com/uploads/1/3/1/3/131383247/nanumudemudum_xudipojolob.pdf
- http://files.centennialpto.org/uploads/1/3/0/8/130874655/4521385.pdf
- https://cdn.shopify.com/s/files/1/0429/9482/7418/files/tusozusogadesosusoxew.pdf
- https://cdn.shopify.com/s/files/1/0429/6369/7817/files/3715038410.pdf
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/zubanerif.pdf
- https://cdn.shopify.com/s/files/1/0435/5591/3879/files/efy_electronics_projects.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuvinotagug.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/91495065822.pdf
- https://cdn.shopify.com/s/files/1/0431/7754/1787/files/datasheet_capacitor_470uf_25v.pdf
- https://cdn.shopify.com/s/files/1/0434/7537/0136/files/47947450671.pdf
- https://cdn.shopify.com/s/files/1/0433/5815/9006/files/system_analysis_and_design_10th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/7938/5766/files/tavawumi.pdf
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/45862394864.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/zosirupigigafelam.pdf
- https://cdn.shopify.com/s/files/1/0436/5680/6553/files/production_clerk_job_description.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_off00005434.bin5032baa70a851df58f17e00d93bb78f188d674d5b035f552a79d3f547c42a898 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5434 | 5452 bytes |
font_01_sfnt_off000066a8.bin2a646d6451f13d57d7d599f19e4f7e42b1103172f8e138ac073ec5cce1865c54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66A8 | 10136 bytes |
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