MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a lure related to writing a biology lab report, but it embeds a link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The embedded URL, https://ttraff.cc/123?keyword=how+to+write+up+a+lab+report+for+biology, is the primary indicator of malicious intent, likely leading to a further stage of attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/123?keyword=how+to+write+up+a+lab+report+for+biology In PDF document text
- https://kufazijofiw.weebly.com/uploads/1/3/0/7/130776126/venom.pdfIn PDF document text
- https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/sutopuvuz.pdfIn PDF document text
- https://rugurujumififez.weebly.com/uploads/1/3/1/3/131384765/6448493.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/1/0268/7467/5371/files/26453923333.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/6157/5324/files/42707173862.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00360e87-e48d-4995-a0ba-b45e5564d047/bizemawip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c943c8be-9c99-47db-82df-21b3d26e0eb4/gigugurudiresibegaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6467/8807/files/2010_mercedes_c300_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/7480/5660/files/i_cash_free_coin_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4292/1886/files/59373210161.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb636e92-cd51-4925-9780-3c4af7f39443/8342509812.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_off000080f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80F5 | 5184 bytes |
SHA-256: 6273c22b973097034ed0688d8b51e6d030a207a92a8bc53cda451243d3068443 |
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font_01_sfnt_off000092c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92C0 | 10700 bytes |
SHA-256: cabacd30be2100b4bcc4a5f94ee320c75db4856c623a81ad206f67da9ff2bf4b |
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