MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a document about learning disorders. It also functions as a link farm, directing users to numerous other PDF files hosted on various domains. The ML classifier strongly indicated maliciousness, and the presence of multiple external links points to a social engineering tactic to drive traffic to potentially harmful sites.
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.com/pify?keyword=trastornos+de+aprendizaje+definicion+pdf
- http://files.brisafinancial.com/uploads/1/3/1/0/131069934/semobafet.pdf
- http://files.counsellingforliverpool.com/uploads/1/3/1/4/131410479/kinivazojixaw_bebubadobavo_sugozulakoto_lufakabexi.pdf
- http://files.labsavvy.org/uploads/1/3/0/8/130814169/7c107b.pdf
- http://wikij.musicacollinadoro.com/uploads/1/3/1/4/131408027/pedapusuzevonibekos.pdf
- https://cdn.shopify.com/s/files/1/0428/7938/5766/files/pawarasikewuwi.pdf
- https://cdn.shopify.com/s/files/1/0431/2721/0144/files/the_adventures_of_huckleberry_finn_text.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54101174921.pdf
- https://cdn.shopify.com/s/files/1/0439/1917/9944/files/chess_board_setup.pdf
- https://cdn.shopify.com/s/files/1/0429/8768/4003/files/vijisekuvulox.pdf
- https://cdn.shopify.com/s/files/1/0429/8693/0329/files/78623165164.pdf
- https://cdn.shopify.com/s/files/1/0433/1329/9620/files/kofefimimafetukipoj.pdf
- https://cdn.shopify.com/s/files/1/0438/7792/5019/files/kiximofeviveruz.pdf
- https://cdn.shopify.com/s/files/1/0434/9100/0472/files/a_thousand_years_chords.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_off000060e4.binccec32c9a2a241cd20e19327832ec989e73ffbfa85b8b41293eae78c92408b48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E4 | 5192 bytes |
font_01_sfnt_off000072aa.bin8e9438deedeb5de2b82debeb1eceb35fe6209b64f989a170777bde551d6673df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72AA | 10336 bytes |
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