MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links, many pointing to external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent link, 'https://ttraff.link/pify?keyword=biology+12+cell+membrane+%2526+transport+review+worksheet+answers', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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.link/pify?keyword=biology+12+cell+membrane+%2526+transport+review+worksheet+answers In PDF document text
- https://site-1037882.mozfiles.com/files/1037882/fixijom.pdfIn PDF document text
- http://files.blakekickscancer.com/uploads/1/3/1/1/131164238/c3ac65eb323.pdfIn PDF document text
- http://kafuveg.bodkacoffee.com/uploads/1/3/1/6/131606113/rekilu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/3108/0355/files/malcolm_x_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0621/4819/files/2763433705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/7553/4488/files/nozajoliwasumirut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/1829/1869/files/quotes_about_violence_in_the_bible.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29ee5bba-8ac1-4c37-8f81-863fd0f5cbcf/bugopidijoxulupomiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa52666e-324a-4911-8cf9-5d1a589634b6/rewetit.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD985 | 5416 bytes |
SHA-256: 01523a95315b9f0392f51f47c5c962c2f04d73e8e903aa1cd83aa8373d9bee57 |
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font_01_sfnt_off0000ebe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE5 | 10772 bytes |
SHA-256: fd60a1a49f24365d2f581e43fed9412a80050330f62ac0fbfbc1a7c1221c5a88 |
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