MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with one specifically pointing to a suspicious domain ('xajibur.ru') that is likely used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, appears to be a lure related to grammar examples, which is a common tactic for social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://xajibur.ru/strik?utm_term=active+and+passive+voice+examples+present+perfect PDF link annotation
- https://static.s123-cdn-static.com/uploads/4376380/normal_5fc70175e1072.pdfIn PDF document text
- http://panedapupugaxe.22web.org/gesufafokapozemanas.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485322/normal_6017168681873.pdfIn PDF document text
- http://walawabijuver.22web.org/falomozozirip.pdfIn PDF document text
- http://patagoxipu.iblogger.org/65934151956.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383304/normal_605a496ace58a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427097/normal_604737460794d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cee4a208-09ac-40e0-983f-4c2cc776acbe.filesusr.com/ugd/5ed537_a714d80a48df45c784c9415ce2c8716f.pdf?index=trueIn PDF document text
- http://wimarewixogax.epizy.com/quiz_games_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c79d6ba-bafb-41cc-8671-46569dab95d2/acid_alkaline_diet_food_chart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/590a1be4-c279-4780-92da-8367e78036bc/38038290951.pdfIn PDF document text
- http://vodufimanu.epizy.com/88161434902.pdfIn PDF document text
- http://xigivemarigefa.rf.gd/dell_precision_workstation_t3500_audio_drivers_windows_10.pdfIn PDF document text
- https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_accba42730f24909925af78853e401b1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5a25e357-a32b-49f9-905f-ca725db9c03b/black_and_decker_bread_maker_french_bread_recipe.pdfIn PDF document text
- http://suborox.epizy.com/xexavimenotaduwa.pdfIn PDF document text
- https://26577e91-18e8-42c3-8e85-49dcca1d6605.filesusr.com/ugd/195787_79bd1024cc26442d8ba90387411dccfe.pdf?index=trueIn PDF document text
- https://09972071-4174-499b-90b1-de3619f59f53.filesusr.com/ugd/d1c05f_4f2600e58fd8416b8203cf311ff504ab.pdf?index=trueIn PDF document text
- http://bugigumu.epizy.com/staff_training_tracker_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/081d3067-5619-4805-945e-127a568261ab/netisefevumolesiwi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99b4a09c-4a38-4d08-bbbe-dfe6cf7c9f18/stihl_bg72_blower_parts_diagram.pdfIn PDF document text
- http://sinomol.epizy.com/26356222406.pdfIn PDF document text
- http://rulenanevatetid.epizy.com/mendelian_genetics_practice_problems.pdfIn PDF document text
- http://nasopupifusatum.rf.gd/53105275047.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51E | 5416 bytes |
SHA-256: 2b152c2f2ca9ab54305268d08850f10091e1430be251d24c9065acada37db634 |
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font_01_sfnt_off0000f781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF781 | 10524 bytes |
SHA-256: 8fe7d6d4eb2db6f4d46d64e5ccdb4010a2081fe58481c890e365bff8cd7c0426 |
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