MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many pointing to disposable domains and exhibiting link farm characteristics, strongly suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection confirm its malicious nature. The document body, though heavily obfuscated, includes text related to 'feudal society' and 'wkhtmltopdf', indicating a lure to disguise the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://baarspo.ru/123?utm_term=what+are+the+characteristics+of+feudal+society PDF link annotation
- http://evatopshop.xyz/11911958992ou7r7.pdfIn PDF document text
- http://xviiivbgz.com/75220413497612fj.pdfIn PDF document text
- http://genusadnlo.space/tisimawisadodifux1mdc8.pdfIn PDF document text
- http://mobeditobaxul.scienceontheweb.net/what_are_the_different_roles_in_scrum_process.pdfIn PDF document text
- http://wiregabjuk.fun/cyberfoot_2015_codigo_de_registroxifb5.pdfIn PDF document text
- http://premial.su/ray_dalio_principles_chapter_1x1vy5.pdfIn PDF document text
- http://safijejog.mygamesonline.org/garmin_405_forerunner.pdfIn PDF document text
- http://mixed-rootwork.com/batman_2_tamil_dubbed_movie_freef6424.pdfIn PDF document text
- http://belkwigs.com/811091736456p3dj.pdfIn PDF document text
- http://tijudozi.scienceontheweb.net/hp_deskjet_2546r_wifi_setup.pdfIn PDF document text
- http://nanolenka.xyz/handwriting_lined_paper_templatebskud.pdfIn PDF document text
- http://kinemulawaw.sportsontheweb.net/sword_art_online_alicization_lycoris_update_1.11.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
- http://rosajeku.myartsonline.com/yo_yo_ma_fort_worth.pdfIn PDF document text
- http://kapirexazi.onlinewebshop.net/60022268269.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_off00014342.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14342 | 5000 bytes |
SHA-256: ebaad0a39b6bb199008a2fd1f797abe4baea47e2cc56099d841561847f0b4713 |
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font_01_sfnt_off00015465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15465 | 11848 bytes |
SHA-256: 1a5617315169fe4bf97d48aafbb10fcff0f23fb14928354c51eeee7fd75e2a04 |
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font_02_sfnt_off00017ab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17AB6 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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