MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to appear as legitimate tutorial downloads, but the primary link redirects to a known malicious infrastructure. The ML classifier strongly indicated maliciousness. The document body contains obfuscated text and the primary malicious URL, suggesting a lure to a phishing or malware distribution site.
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=ab+initio+tutorial+for+beginners+pdf+download
- http://files.shademotorkits.com/uploads/1/3/1/0/131070792/tetobazili.pdf
- http://files.krystalgarner.com/uploads/1/3/1/8/131857315/xubepaziwawakol-vodosigumolel.pdf
- http://files.thetaoofrudy.net/uploads/1/3/0/7/130775361/375320d.pdf
- http://files.mamdouh.co/uploads/1/3/1/3/131379054/ronir-lefisasepi-zotog-xexewida.pdf
- http://files.sextonslegal.com/uploads/1/3/2/6/132682585/mepewisu_nasufeko_rawedizegi_fufori.pdf
- https://cdn.shopify.com/s/files/1/0439/2042/5115/files/xidiwadolakidibasureda.pdf
- https://cdn.shopify.com/s/files/1/0432/4737/0402/files/56983835730.pdf
- https://cdn.shopify.com/s/files/1/0433/1791/9909/files/69712701213.pdf
- https://cdn.shopify.com/s/files/1/0429/9938/2170/files/one_way_jesus_lyrics_and_chords.pdf
- https://cdn.shopify.com/s/files/1/0433/8378/3575/files/95522600531.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zigomotixiwututorevibalu.pdf
- https://cdn.shopify.com/s/files/1/0448/0276/9053/files/elementary_surveying_14th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tedix.pdf
- https://cdn.shopify.com/s/files/1/0435/1308/6106/files/momojedeparajem.pdf
- https://cdn.shopify.com/s/files/1/0435/2606/2239/files/zuvivesedidumewojagulada.pdf
- https://cdn.shopify.com/s/files/1/0431/7144/6939/files/lapikavewilaradojizo.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/hernandes_dias_lopes.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_off00006f77.bind389a36e79910115e03a90a06b91b0c2de6b8f3a048c71125d6605203f805653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F77 | 5432 bytes |
font_01_sfnt_off00008208.bin621d4fed06ff986ca651ba7319621cad48d5702ea79b57ea80996801c4eab935 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8208 | 10756 bytes |
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