MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, and contains a large number of external links, many hosted on disposable domains. The document body, though heavily obfuscated, suggests a lure related to 'biology genetics unit test answer key' which redirects to a link farm, including the URL https://botokaw.ru/strik. This pattern is indicative of a phishing or scam campaign designed to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://botokaw.ru/strik?utm_term=biology+genetics+unit+test+answer+key PDF link annotation
- https://daxexamuve.weebly.com/uploads/1/3/4/4/134446800/jaritexibobad-vojinexosogel-tamomopatit.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416928/normal_5fdf0194b758f.pdfIn PDF document text
- https://nifirasevaxo.weebly.com/uploads/1/3/4/7/134756957/5512d70.pdfIn PDF document text
- https://kinojapi.weebly.com/uploads/1/3/2/3/132302846/5105127.pdfIn PDF document text
- https://nuzozixajalupik.weebly.com/uploads/1/3/0/7/130739607/mijutuleropobuz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490371/normal_60100f09a1874.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466364/normal_5ff30d252f64a.pdfIn PDF document text
- http://bakugutujom.22web.org/skripsi_kuantitatif_pendidikan_agama_islam.pdfIn PDF document text
- https://resagivet.weebly.com/uploads/1/3/1/3/131383325/8494098.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/getizar/aerosmith_greatest_hits_zip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f18c785-7565-45aa-a00d-db44e33079f4/informed_politics_gw2_locations.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0afdbd99-7e9b-4006-b251-1d44be114188/tavodepotupokosof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6af37f0-6385-4dcb-b71d-8704323e5660/e-commerce_website_php_mysql_tutorial.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f59e166-8446-43c9-9132-e6bb65ab6548/what_reading_level_is_diary_of_a_wimpy_kid_the_ugly_truth.pdfIn PDF document text
- https://s3.amazonaws.com/xiwevitox/33605370332.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78e3cb36-d41a-4cc7-a85a-ea786ae9d0a6/descargar_la_biblia_reina_valera_1960_hablada_gratis_en_espaol.pdfIn PDF document text
- http://gajerur.epizy.com/39709699681.pdfIn PDF document text
- http://zopiselewanut.epizy.com/the_count_of_monte_cristo_anime_episodes.pdfIn PDF document text
- http://dinagujepapure.rf.gd/fulipitujezaxor.pdfIn PDF document text
- http://nosofakonitul.epizy.com/89297159037.pdfIn PDF document text
- https://s3.amazonaws.com/fidefofudi/portland_light_rail_cost.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_off00010014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10014 | 5272 bytes |
SHA-256: e1f50dd6a9c8c0f390fbf621f67981ed1d72564d9f6b1eaf16d27f260ec7ad55 |
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font_01_sfnt_off0001123a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1123A | 11104 bytes |
SHA-256: 37c0258f2a5785494f1b36ab582fb2464694a07c682f8a5c65e50d8283801bd7 |
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