MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'adaptation in plants class 4 worksheet' and the malicious URL, suggesting a lure to trick users into clicking malicious links. The ML classifier also 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.ru/pify?keyword=adaptation+in+plants+class+4+worksheet
- http://files.cdconggiaovietnamvic.org/uploads/1/3/1/4/131483201/vujomefu-sejok-nojur-vagomev.pdf
- http://defijede.advancedmedphysics.com/uploads/1/3/0/7/130775388/zovusemajodededunes.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/mixojimuwelugalimumob.pdf
- https://cdn.shopify.com/s/files/1/0433/4023/4902/files/29682003793.pdf
- https://cdn.shopify.com/s/files/1/0430/6183/7981/files/omr_answer_sheet_150_questions.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdf
- https://cdn.shopify.com/s/files/1/0434/5308/7909/files/stardew_travelling_cart.pdf
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/fupefogudibesarixase.pdf
- https://cdn.shopify.com/s/files/1/0432/8977/2190/files/cataloging_handbook_h6.pdf
- https://cdn.shopify.com/s/files/1/0429/1634/8057/files/wugaravokunojugogipovanaj.pdf
- https://cdn.shopify.com/s/files/1/0430/8962/5250/files/woduxubafaxuredefat.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_off00005f75.bin66e467573b0ea63c689b85f0f3449c03edfcf5f613e10e834dfdc565f8bb5d26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F75 | 5392 bytes |
font_01_sfnt_off000071d8.bine99b3ae3fda04e6dfb9f64c04c67368d008ec9560b4664c56b03d7475980ddef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D8 | 10132 bytes |
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