MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a link farm pointing to 30 other PDFs. One of the primary external URIs, 'https://baarspo.ru/strik?utm_term=integrated+chinese+level+1+workbook+audio', is flagged as unknown reputation and likely leads to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://baarspo.ru/strik?utm_term=integrated+chinese+level+1+workbook+audio PDF link annotation
- https://tutowori.weebly.com/uploads/1/3/5/3/135317166/4087839.pdfIn PDF document text
- https://bevazamosip.weebly.com/uploads/1/3/5/3/135345421/6995467.pdfIn PDF document text
- https://jejenovo.weebly.com/uploads/1/3/1/4/131454593/kovalufobesuxisedugo.pdfIn PDF document text
- https://metulomoponi.weebly.com/uploads/1/3/4/4/134498565/245e9270be89f3.pdfIn PDF document text
- https://rowevopa.weebly.com/uploads/1/3/1/8/131872281/3f3c4fcf97.pdfIn PDF document text
- https://wuxorazaw.weebly.com/uploads/1/3/2/7/132712222/faminerisi-dazidipifogele.pdfIn PDF document text
- https://lenukanaferu.weebly.com/uploads/1/3/0/8/130873899/7309093.pdfIn PDF document text
- https://nixujukasal.weebly.com/uploads/1/3/1/6/131636737/totibati-rizubosurize-rinuzavesonek.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nufidibodudulad/lurazim.pdfIn PDF document text
- https://s3.amazonaws.com/jarirotexab/12589999463.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d9c0452-278a-4bc0-89b3-e1866f4d0e7c/69258095779.pdfIn PDF document text
- https://s3.amazonaws.com/falevi/julius_caesar_summary_act_5_scene_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af02328b-5154-4a44-a50e-407299084279/systems_engineering_group_salary.pdfIn PDF document text
- https://s3.amazonaws.com/tevigotu/42936632639.pdfIn PDF document text
- https://s3.amazonaws.com/vufuzewasi/how_to_move_an_automatic_car_stuck_in_park.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87e4fbf2-e691-47a6-8c9d-51e3ec7c2d3b/57138079529.pdfIn PDF document text
- https://s3.amazonaws.com/nisoxow/bubumozefuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0a7bbd7-197a-4718-8381-597c3be92185/11034932879.pdfIn PDF document text
- https://s3.amazonaws.com/xovajukoxin/dipemo.pdfIn PDF document text
- https://s3.amazonaws.com/kisimujuk/fats_waller_ain_t_misbehavin.pdfIn PDF document text
- https://s3.amazonaws.com/toguvaju/kunolim.pdfIn PDF document text
- https://s3.amazonaws.com/gurupixabogivaz/how_long_it_takes_to_fall_into_deep_sleep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be8d4b3b-b3d3-4fec-8b8a-87f8c13789fd/65447180662.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d403bb8-be7b-412c-a175-a5004b280fdd/senedaj.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A8 | 5544 bytes |
SHA-256: 9190d9d39d86249be6df3827821d7503f5f6d45d8b8818b92ba4cd2e11d11b63 |
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font_01_sfnt_off0000fc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9A | 10180 bytes |
SHA-256: d000d23e4459ea602e109899a96aa0a6396ed5120ed01628d8dd7e2383a3b79d |
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font_02_sfnt_off00011f70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F70 | 16060 bytes |
SHA-256: 99ddc6f5858eb134f8024171ebe717cbd02485c31471b921a5021903b5272953 |
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