MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, disguised as a solutions manual. This heuristic, combined with the ML classifier flagging the document as malicious, strongly suggests a phishing or scam attempt. The document body itself is heavily obfuscated but contains the malicious URL, indicating an attempt to drive traffic to malicious infrastructure.
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.me/wix?keyword=investments+zvi+bodie+solutions+manual+pdf
- http://libunuk.asustudentsforlife.com/uploads/1/3/1/4/131452836/nanonivoluwa_bizuxem_mebape.pdf
- http://files.ellenitesfayephotography.com/uploads/1/3/1/1/131164520/3ac7b81923c6843.pdf
- http://mutegete.susanjvannucci-phd-wellness.com/uploads/1/3/0/8/130873995/4778919.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0432/1555/2674/files/86320266726.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/anemia_aplasica_elsevier.pdf
- https://cdn.shopify.com/s/files/1/0430/3201/9097/files/dujezilopixavifolufafepax.pdf
- https://cdn.shopify.com/s/files/1/0486/1902/8638/files/animal_school_story.pdf
- https://cdn.shopify.com/s/files/1/0434/1635/4977/files/97549520964.pdf
- https://8151cf79-6a82-40d1-be40-bf2213d2fd6e.filesusr.com/ugd/9e41f0_a3cf7b3dc6d5429db277a740acc022d1.pdf?index=true
- https://259460a1-ec80-4c9b-9f4c-8f2ce841537e.filesusr.com/ugd/3826db_b8dd906389154fc3a573a8e41c6074db.pdf?index=true
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004920.bin99bc680b257dcca3cdeb662c0fe55c913428985ebe0606065dd58a79a3eeb063 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4920 | 5160 bytes |
font_01_sfnt_off00005a99.binb3f92bf0733678134ae1ad30e209978aa1b2cfb1923a5042a29045fcaf84567a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A99 | 10072 bytes |
font_02_sfnt_off00007d12.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D12 | 4324 bytes |
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