MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for SEO poisoning or phishing campaigns. The heuristic PDF_SEO_LINK_FARM specifically indicates a mass of external PDF links, suggesting an attempt to drive traffic to malicious or low-quality content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://dafemum.ru/wix?keyword=numerical+expression+worksheets+5th+grade+pdf
- http://hotel-engels.ru/bilewiko9ely.pdf
- http://wurilozi.scienceontheweb.net/best_pimp_rappers.pdf
- https://jileninaniwepuz.weebly.com/uploads/1/3/4/7/134771173/ziwij.pdf
- https://pobanebutu.weebly.com/uploads/1/3/4/5/134592169/2a2df10c3d7bb.pdf
- http://kurametugugu.mygamesonline.org/back_exercises_arthritis_uk.pdf
- http://raisinshq.pro/xurakifawawutc2xmt.pdf
- https://toxosujaduwo.weebly.com/uploads/1/3/0/8/130874389/durid.pdf
- http://ruvujagefeko.mygamesonline.org/nimuzusiretawolotizozag.pdf
- http://save50it.info/livawozimodorixogolixozuk235e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://50fe66f1-00be-429c-ab6c-57a9f80d6ab9.filesusr.com/ugd/39cb9d_28f2e7becc0e412aba635c1c1243ecfe.pdf?index=true
- https://s3.amazonaws.com/gotenukevepunin/why_my_hyundai_sonata_wont_start.pdf
- https://cb6d8354-940b-4e05-9f1d-0150973ab277.filesusr.com/ugd/882da0_3ef85f81405a44e1a9e9dd89065feb87.pdf?index=true
- http://pasigajixivete.epizy.com/are_skinny_vanilla_lattes_bad_for_you.pdf
- https://s3.amazonaws.com/lepefi/54199634802.pdf
- http://ranitirunom.myartsonline.com/principles_of_electric_circuits_10th_edition_answer_key.pdf
- https://89e5ed4a-33eb-42a6-b5f1-9fc07ea1e15b.filesusr.com/ugd/ff68bb_e4abef53511a4a538627898580f8d9c9.pdf?index=true
- http://gejuzimeru.rf.gd/zajikewavererib.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_off0000d3ce.bina6ae5eeb6035bdb574f742ee1bc3db5d2a6e1c13306184ed5ffec54cd878e22d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CE | 5884 bytes |
font_01_sfnt_off0000e7d0.bin00be4fad9cac5d03c5fc5074e0da0c8e27c38db09b1b21326e1f33f9c6b9b7fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D0 | 10972 bytes |
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