MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is an 'answer key' and includes the malicious URL. This indicates a phishing attempt to redirect users 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.com/pify?keyword=myspanishlab+mosaicos+answer+key
- http://files.envsalongrantspass.com/uploads/1/3/1/8/131871614/da0157262.pdf
- http://files.littletimmy.org/uploads/1/3/0/7/130740193/ziperukuvoboj_nowez_gajegalapowe_zusimubo.pdf
- http://bavipi.houstonmemorialgolf.com/uploads/1/3/2/8/132814930/1866730.pdf
- http://tudif.monitheseries.com/uploads/1/3/0/8/130814328/tikuzoriwafigom-sedefo-viletifo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7554/2950/files/lakelazirubum.pdf
- https://cdn.shopify.com/s/files/1/0437/8345/4872/files/87342256270.pdf
- https://cdn.shopify.com/s/files/1/0432/3134/6856/files/silicon-_germanium_heterojunction_bipolar_transistors.pdf
- https://cdn.shopify.com/s/files/1/0432/2538/3073/files/fiwotuwobod.pdf
- https://cdn.shopify.com/s/files/1/0439/0505/6920/files/bapomikewiwurulewewaj.pdf
- https://cdn.shopify.com/s/files/1/0432/8646/2628/files/sentiment_analysis_big_data.pdf
- https://cdn.shopify.com/s/files/1/0430/7520/7322/files/tomorevotaxupanof.pdf
- https://cdn.shopify.com/s/files/1/0433/2650/5128/files/fortnite_battle_royale_mobile_ios.pdf
- https://cdn.shopify.com/s/files/1/0427/4041/6678/files/va_form_21-_8416.pdf
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/jumijadowes.pdf
- https://cdn.shopify.com/s/files/1/0431/5791/3762/files/87748742033.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/63133201948.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_off0000759e.bin44bfa3510708d572c56d820de8c1fd80eee1099dad9a046fefb2ab71907a5754 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759E | 5576 bytes |
font_01_sfnt_off00008879.bin8d93e6e19081871e5122c2b64fa54dbe45a7edea49b399221c238b64cb495463 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8879 | 10708 bytes |
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