MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to a known malicious URL, disguised as a 'conjunction worksheet for 4th grade'. The document also contains a large number of external links, many of which point to PDF files hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The ML classifier 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=conjunction+worksheet+for+4th+grade
- http://files.patersonsland.co.uk/uploads/1/3/0/8/130874238/baguzemi.pdf
- http://files.carvoeirogcc.com/uploads/1/3/1/4/131406736/a3a2b74a.pdf
- http://wuralur.gavanw.com/uploads/1/3/1/4/131410685/1797382.pdf
- http://files.relationship-lab.com/uploads/1/3/1/3/131384286/lutufidonurul-laveligifu-tivag-nevegibegetow.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/zilokidamexezu.pdf
- https://cdn.shopify.com/s/files/1/0432/3275/5875/files/bharat_gas_new_connection_form.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/redemoluzomitetas.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/bowegafazupumu.pdf
- https://cdn.shopify.com/s/files/1/0430/0685/3269/files/pdf_file_to_jpg.pdf
- https://cdn.shopify.com/s/files/1/0433/6828/4316/files/yung_joc-_hustlenomics.pdf
- https://cdn.shopify.com/s/files/1/0438/6032/8608/files/wegone.pdf
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/sikiroxuku.pdf
- https://cdn.shopify.com/s/files/1/0435/1993/4628/files/fagoxoko.pdf
- https://cdn.shopify.com/s/files/1/0436/4288/0160/files/65474737852.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_off00004e75.bin467b4fdc4f626db1c22bfd7f1ed8b723ce7d395439d98568d373b0943735cf4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E75 | 5476 bytes |
font_01_sfnt_off0000612f.bin2a463f29616b1ded786d4600f331287e5f6616a19054d2844010c6173ff3a74b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x612F | 9844 bytes |
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