MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with at least one, 'https://xajibur.ru/strik?utm_term=international+durastar+4300+owners+manual', identified as a potential phishing or malware distribution point. The document body, though heavily obfuscated, suggests a lure related to an 'International durastar 4300 owners manual'. No scripts were extracted, but the presence of external URIs and the overall heuristic profile strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 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=international+durastar+4300+owners+manual PDF link annotation
- http://vadanunagirira.getenjoyment.net/birixilepidubawojap.pdfIn PDF document text
- http://zikizitepef.iblogger.org/suddenlink_channels_guide_lubbock.pdfIn PDF document text
- http://ziwigosopijulal.mygamesonline.org/23552900676.pdfIn PDF document text
- https://cdn.sqhk.co/nowonipewo/YVheghR/sosolidepefijosodezuwo.pdfIn PDF document text
- https://bumilumijoxaxuv.weebly.com/uploads/1/3/4/4/134497753/fuzowi.pdfIn PDF document text
- http://bovewitavivebu.getenjoyment.net/el_mundo_de_sofia_english_subtitles.pdfIn PDF document text
- https://zimovezinidukiv.weebly.com/uploads/1/3/1/4/131453924/boxepesid_rimefetilip_ratuvosuzafomu_saxeseladepa.pdfIn PDF document text
- http://gejokakop.mygamesonline.org/tablaturas_de_canciones_para_guitarra_electrica.pdfIn PDF document text
- https://bitipares.weebly.com/uploads/1/3/1/3/131379103/1232875.pdfIn PDF document text
- http://vizexibidoxi.getenjoyment.net/22044853730.pdfIn PDF document text
- https://cdn.sqhk.co/rawejefipemi/iiRqOjf/sound_recorder_install.pdfIn PDF document text
- https://cdn.sqhk.co/dopuwene/hfefXjg/fx_racer_pc.pdfIn PDF document text
- http://pamuvelap.22web.org/chest_guidelines.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/49947b90-e4f6-4e23-b247-448d9e1967e5/rarurilifupeku.pdfIn PDF document text
- http://falufobi.epizy.com/how_remove_duplicates_in_google_sheets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f294b13-499a-4fd2-97a7-36662fd9f8da/do_ethical_hackers_work_from_home.pdfIn PDF document text
- http://bafigajunafolen.rf.gd/caroling_caroling.pdfIn PDF document text
- http://wawutanow.epizy.com/shiv_bhola_bhandari_song_arijit_singh.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46daa0f3-a758-4ee9-8fc8-42a8312a3ac4/the_penguin_anthology_of_twentieth-century_american_poetry_ebook.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010359.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10359 | 5276 bytes |
SHA-256: 99bfcd450da7fd92030302f95c0aa650edbdf8d48f8a0bac9aad0a3045be9ddc |
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font_01_sfnt_off00011539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11539 | 11904 bytes |
SHA-256: b54e7c12d2e0760826f884c2f2be068d97723cfda43d8bf5b017afbcc017356d |
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font_02_sfnt_off00013d7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D7E | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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