MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a significant number of external links, suggesting a link farm or SEO manipulation tactic. One of the embedded URLs, 'https://jacksth.ru/123?utm_term=photoshop+smoke+brush+set+free', appears to be a lure for potentially malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate a malicious intent to redirect users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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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://jacksth.ru/123?utm_term=photoshop+smoke+brush+set+free PDF link annotation
- http://doniposebuk.iblogger.org/brahms_lullaby_music_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/kavuzoda/jbjcZid/56810165179.pdfIn PDF document text
- https://gerugufudob.weebly.com/uploads/1/3/4/8/134869234/nupetumi_nuwemefelorin.pdfIn PDF document text
- https://cdn.sqhk.co/dejegekonula/hdOnDpR/bter_revaluation_form_2019.pdfIn PDF document text
- https://marizezibafive.weebly.com/uploads/1/3/4/8/134865590/dijadobaluseg-bomutoji.pdfIn PDF document text
- https://cdn.sqhk.co/dawadetugas/Hgh8ggg/bouncemasters_hack_apk_download.pdfIn PDF document text
- https://lazarapo.weebly.com/uploads/1/3/4/5/134528324/cb4c535f55.pdfIn PDF document text
- http://helps-lnstagramcopyrights-about.com/89792462533vaaub.pdfIn PDF document text
- https://cdn.sqhk.co/nemoludajedu/bhihahf/tijotilanoguz.pdfIn PDF document text
- http://docita.fun/ac_nl_save_managerwjghn.pdfIn PDF document text
- https://gidedumewulo.weebly.com/uploads/1/3/5/9/135961218/1983416.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a6fcb3fd-6b1c-4551-b124-c1f27f5bc76b/snow_white_with_the_red_hair_episode_5_season_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56843d45-a710-486a-8461-b1d9ba38ab9e/safety_siren_pro_series_3_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8816c6e-c570-402c-8bed-c4f263c491a9/holy_quran_juz_30.pdfIn PDF document text
- http://joriboka.epizy.com/binance_desktop_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68ed53ff-6baa-47c6-bc41-1d4dfa9deb81/how_to_clean_trane_clean_effects_filter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/895fc1fe-8495-49f0-9f79-92311e385354/aqa_psychology_online_textbook_year_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44213cf3-0101-43f3-ac2f-98363f2953f6/48845254229.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b93781c-714f-4d7e-b7e3-879ffee40657/i_am_not_perfect_quotes_images.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06dad0f0-b5bf-46d1-b988-206b055b33ca/duxosesojosexa.pdfIn PDF document text
- http://zalikizo.epizy.com/ladomumugulig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fd41094-5b16-457f-b788-2cfdbe1b7a7e/2008_jeep_jk_sahara_stock_tire_size.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_off00010e37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E37 | 5104 bytes |
SHA-256: 232fa3728548c6a593118c2c905eeb8cd28e0702b328540834120d299b54e9b8 |
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font_01_sfnt_off00011f66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F66 | 11068 bytes |
SHA-256: a38cfd858096b5a301a709a913f3492f9d9c19720bd928c45fa9a6fde00d3861 |
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