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, indicating a phishing or trojan threat. It contains a large number of external links, with many hosted on disposable domains, suggesting a link farm designed to direct users to potentially malicious content. The primary URL, https://baarspo.ru/123, is likely part of this malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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 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://baarspo.ru/123?utm_term=bipolar+2+dsm+5+pdf PDF link annotation
- https://figiroxofidun.weebly.com/uploads/1/3/0/7/130740151/18848.pdfIn PDF document text
- https://boxudeso.weebly.com/uploads/1/3/4/3/134320939/3f49a7093919f8.pdfIn PDF document text
- https://sofubile.weebly.com/uploads/1/3/4/3/134380394/200ee.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://natizasex.pbworks.com/f/how_to_turn_a_into_word_doc_on_mac.pdfIn PDF document text
- http://kigemulu.pbworks.com/f/what_is_the_difference_between_g502_and_g502_hero.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d4ddc6d-76ae-49f6-9f8c-b4037fff7ace/35498357873.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f03fc6bf-dc4d-4e45-b352-1c7b2e52b641/manual_chery_face_portugus.pdfIn PDF document text
- http://xuvabufoj.pbworks.com/f/70643022643.pdfIn PDF document text
- http://jeselivid.pbworks.com/f/67302094341.pdfIn PDF document text
- http://zopujoxobug.pbworks.com/f/assassin_value_list_2020_february.pdfIn PDF document text
- http://jitijaloj.pbworks.com/w/file/fetch/144524757/bukoturipafojirezep.pdfIn PDF document text
- http://junerew.pbworks.com/w/file/fetch/144520959/why_is_my_primo_water_dispenser_dripping.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f245350-e988-463e-b559-b332a9361837/67593045080.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a78575ac-dff9-4d31-a9c8-4b21170bc4c7/diketigaw.pdfIn PDF document text
- http://vafobotigef.pbworks.com/f/kathryn_kuhlman_books_free_downloads.pdfIn PDF document text
- http://sawanixum.pbworks.com/w/file/fetch/144522183/7___2.pdfIn PDF document text
- http://joxakuruvi.pbworks.com/w/file/fetch/144625590/novipuxeminometisiguje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0404572a-c48d-440d-bcc9-91f584ccb0c4/2004_lamborghini_gallardo_engine_for_sale.pdfIn PDF document text
- http://kalunagepigi.pbworks.com/f/58530727516.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56d6671a-3d41-4c31-ae14-c538534e046c/21472159532.pdfIn PDF document text
- http://risuxujuvu.pbworks.com/f/bexojalikesuletisog.pdfIn PDF document text
- http://nunaruribeg.pbworks.com/f/famakasuvotodibolu.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_off000101d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D9 | 4976 bytes |
SHA-256: fad52eb84ce81352c2a14f329f77b66eabb10541a2a8250ac15918faa8240ff3 |
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font_01_sfnt_off000112b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B6 | 12684 bytes |
SHA-256: 001710ec5a3babd4d8c2a4ac645968871e21f5fe6d3d86770688e6699f4e5322 |
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font_02_sfnt_off00013bd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD4 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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