MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that lead to a redirector service, which is a common technique for delivering malicious payloads or phishing pages. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.cc/pify?keyword=campbell+ap+biology+11th+edition+pdf as pointing to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates a large number of generated links, suggesting an attempt to manipulate search results or distribute content widely. The ML classifier also strongly indicates 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.cc/pify?keyword=campbell+ap+biology+11th+edition+pdf
- http://files.slpseniorparty.com/uploads/1/3/1/4/131406592/9483992.pdf
- http://files.bodyplayexpress.com/uploads/1/3/0/9/130969885/339f2c2112f2f.pdf
- http://files.snowypeaksoap.com/uploads/1/3/2/3/132302973/a7512c13cdce8e.pdf
- http://files.miltonkeynesmanandvan.com/uploads/1/3/1/3/131383826/timoxak.pdf
- http://files.premshudosho.com/uploads/1/3/1/3/131379296/c0fba79e14ae0e9.pdf
- https://cdn.shopify.com/s/files/1/0429/6717/1223/files/saduwilufuvu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/binoluso.pdf
- https://cdn.shopify.com/s/files/1/0428/3033/2060/files/barumap.pdf
- https://cdn.shopify.com/s/files/1/0440/1171/6766/files/tozepewurifo.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/1975763988.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/babasetaxoguvivowe.pdf
- https://cdn.shopify.com/s/files/1/0430/3064/2837/files/kulagedegivupixifaxapigef.pdf
- https://cdn.shopify.com/s/files/1/0433/4790/2623/files/pixajirunedatavuloripit.pdf
- https://cdn.shopify.com/s/files/1/0429/8955/1770/files/kidz_bop_thrift_shop.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_off00009914.bin79386079405780b3c466ae095d37c165fdbb1ccca08c1663ebfb570249291db7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9914 | 5380 bytes |
font_01_sfnt_off0000ab43.bin347c422e3f497f701c71b8db77be3dddeb5a282769dc7bbcd4b0c449ecc6a0ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB43 | 9980 bytes |
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