MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to disposable hosting or potentially malicious domains, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS' heuristics. The document body, though heavily obfuscated, suggests a lure related to 'chemistry worksheet 1 mass-mass problems answers'. The presence of external URIs and the overall detection by ClamAV as 'Pdf.Phishing.Trojan' strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://ponafet.ru/wix?keyword=chemistry+worksheet+1+mass-mass+problems+answers PDF link annotation
- http://gejedesoni.getenjoyment.net/abendsegen_humperdinck.pdfIn PDF document text
- http://dufifudusimube.mygamesonline.org/anestesia_general_en_obstetricia.pdfIn PDF document text
- https://cdn.sqhk.co/gazegarov/3ZgCJjg/38574280309.pdfIn PDF document text
- http://tugokutuli.scienceontheweb.net/calvary_hillsong_lyrics.pdfIn PDF document text
- https://cdn.sqhk.co/sazipuvaxiv/gcHaRSC/that_s_life_mac_miller_sia.pdfIn PDF document text
- http://rivozuzeno.mywebcommunity.org/discrete_mathematical_structures_kolman_6th_edition.pdfIn PDF document text
- http://rowowesofazov.medianewsonline.com/62442700535.pdfIn PDF document text
- https://cdn.sqhk.co/zogowefu/hjbhak8/cost_plus_world_market_locations_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/ruzaxube/ah5icwR/photo_gif_maker_video_app_ios.pdfIn PDF document text
- http://jurojegame.getenjoyment.net/69964021474.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/f038bc06-da5a-407e-93a0-986abf242871/ragotebom.pdfIn PDF document text
- http://medexode.atwebpages.com/essay_on_kashmir_issue.pdfIn PDF document text
- http://fuwutowamig.myartsonline.com/baixar_creator_em_portugues.pdfIn PDF document text
- https://s3.amazonaws.com/lurutopobi/jiserupa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bda5462-0f66-4444-9ea2-12506cf50187/32628954116.pdfIn PDF document text
- https://75e6d08a-b14f-4c2c-bd4e-3e6431d9d11c.filesusr.com/ugd/497a87_467c5800f2b64a4eb7ae557fbcb0b488.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2689b702-4aaf-4ac4-977a-6cd21eeaef2c/toro_weed_eater_parts_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/mizeteb/34515481263.pdfIn PDF document text
- https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_865cdc2d274d4f67852fd6efb7fb9ff5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/063ba8f0-63d2-4098-b058-b0ba8a3d6694/jovefofur.pdfIn PDF document text
- https://88749095-6fd7-453f-8e8a-15b48fe47dd1.filesusr.com/ugd/e4d7df_5ee9099eec854e3381ad28dbb30abadb.pdf?index=trueIn PDF document text
- http://koduwutuvage.onlinewebshop.net/how_to_adjust_stride_on_fitbit_charge_2.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_off0000f3ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EA | 5352 bytes |
SHA-256: 9f467eb379597d7ce059e847c1690e53ba9d9adc3858182edd102b6d3efb44ae |
|||
font_01_sfnt_off00010612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10612 | 10736 bytes |
SHA-256: f067abe3067d5acbe9fedcbf7574b72f47c5d223dcdbb3ed4af0169a1d1c32b5 |
|||
font_02_sfnt_off00012af1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AF1 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.