MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains heuristics indicating it is a phishing lure, specifically referencing an 'outstanding payment letter template'. It embeds multiple URLs, with a primary suspicious URL pointing to 'xajibur.ru'. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation or redirection to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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/123?utm_term=outstanding+payment+letter+template PDF link annotation
- https://static.s123-cdn-static-d.com/uploads/4393499/normal_60b002eb80073.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473359/normal_6062ae9b62cb2.pdfIn PDF document text
- https://saxeguwub.weebly.com/uploads/1/3/1/4/131406831/1172480.pdfIn PDF document text
- https://fuwanitawoge.weebly.com/uploads/1/3/4/4/134436239/mipugijesibunora.pdfIn PDF document text
- https://zipijovef.weebly.com/uploads/1/3/4/6/134623752/wagaj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4506200/normal_6048c6a320252.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375206/normal_60561b6fea27c.pdfIn PDF document text
- https://litokotivugobud.weebly.com/uploads/1/3/2/6/132695550/nugiragizana.pdfIn PDF document text
- https://vidufatow.weebly.com/uploads/1/3/1/4/131438098/5205001.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4448121/normal_60affe00cbaf8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mulasamesi.pbworks.com/w/file/fetch/144513786/what_is_the_price_of_infinix_note_8_in_ghana.pdfIn PDF document text
- http://wefolevemud.pbworks.com/w/file/fetch/144637737/five_nights_at_freddys_hw_android_free_download.pdfIn PDF document text
- http://poguvovuk.pbworks.com/w/file/fetch/144621420/xanilemaritezujeli.pdfIn PDF document text
- http://mujefapufefi.pbworks.com/w/file/fetch/144493461/juvefewabifurevuwemud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/227e700c-c334-49ea-b4e2-7bb4a2869429/types_of_seasonal_affective_disorder.pdfIn PDF document text
- http://xawaren.pbworks.com/w/file/fetch/144695928/how_to_write_a_conclusion_sentence_example.pdfIn PDF document text
- http://godekazonigi.pbworks.com/w/file/fetch/144459027/40887504662.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f200265-a5b5-40f2-b0af-a748a15911e0/rivevolibefilomudisevoxo.pdfIn PDF document text
- http://negovijalulu.pbworks.com/w/file/fetch/144411966/78131834261.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e1997a5-c31b-4b20-aa53-de721e0b1e08/how_to_operate_my_speed_queen_washer_belt.pdfIn PDF document text
- http://tereburokofe.pbworks.com/w/file/fetch/144573078/the_gender_congruence_and_life_satisfaction_scale_gcls.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bb48bd7-2fe6-4200-96ec-775d9cbcb713/how_to_deactivate_adt_key_fob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/857849ba-3cc0-4c10-9991-bfedc75cc5c5/88780435001.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/533f8c8e-e150-4395-8653-ce09eaaf4a5b/pictures_of_gandhi_freedom_struggle.pdfIn PDF document text
- http://viluxese.pbworks.com/w/file/fetch/144423540/recommendation_letter_for_kindergarten_students_examples.pdfIn PDF document text
- http://noxiwako.pbworks.com/w/file/fetch/144498597/83527405101.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000106a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A1 | 5408 bytes |
SHA-256: ce90111709fc7edebb8a6d83f9a37b4ecac4e30f25dd5c8a34a0f3740fb88ac0 |
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font_01_sfnt_off000118eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118EB | 2492 bytes |
SHA-256: e47c3fb9db25190ba7868147984b4193dd04f0b6ca6e9467e66007f6a3542f9f |
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font_02_sfnt_off00012427.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12427 | 10612 bytes |
SHA-256: 5caf8d12d256ef7d5aab2265e23b73eb33e7abcf281e7d3a109f6e0303d8a26c |
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font_03_sfnt_off000148bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148BF | 16216 bytes |
SHA-256: 8f72b73f90c34190802442a865c49deb9c76a73ac24c65d0ddff541fe719a619 |
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font_04_sfnt_off00015dff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DFF | 1736 bytes |
SHA-256: 0d9b6ab0354368cdfa5a4e52e4dfb250ede80cec4283e48fafec0a3c1c1d30df |
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