MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an MFA/2FA-themed lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://resalured.ru/aws?utm_term=sentry+safe+digital+keypad+won%2527t+open PDF link annotation
- https://static.s123-cdn-static.com/uploads/4465539/normal_5ff622950cf63.pdfIn PDF document text
- http://noxudisogukat.iblogger.org/what_does_it_mean_when_someone_says_defying_gravity.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372983/normal_60510eeb2c7e9.pdfIn PDF document text
- https://digokevun.weebly.com/uploads/1/3/4/7/134747151/fofob.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366047/normal_60085e8a0de4f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424689/normal_60120dcebedcd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420589/normal_6028bf9ccc274.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369646/normal_604913091bb34.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402504/normal_6019f125f01b5.pdfIn PDF document text
- https://kukuziso.weebly.com/uploads/1/3/4/4/134468315/remuv_zeteril_faxibiligawo_nanotisek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481528/normal_600ddd6e783d1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fasewevabudumu.epizy.com/pomivamitag.pdfIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/revun.pdfIn PDF document text
- http://zuxamivim.epizy.com/silovomebugekixopizosuru.pdfIn PDF document text
- http://lojofoverom.epizy.com/pokoxitigobaraxub.pdfIn PDF document text
- https://s3.amazonaws.com/ziwuvijevo/keromekalokisegokenev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6514f4c9-4cfb-41ee-9d8e-f1213997fbad/christmas_carol_patrick_stewart_on_tv.pdfIn PDF document text
- http://besuritelide.epizy.com/tel_bradesco_seguros_auto.pdfIn PDF document text
- https://s3.amazonaws.com/vapite/napagaduwotikilapon.pdfIn PDF document text
- https://s3.amazonaws.com/bodajaku/mixed_conditional_sentences_exercises_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b3000fc-3ce7-446e-af92-620433a501d5/75098117165.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_off0000f9e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E5 | 5604 bytes |
SHA-256: f53635e9a118a781db5520b67786ecded9d7f3a526f06f7d1f06356f242754c5 |
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font_01_sfnt_off00010d2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D2D | 12160 bytes |
SHA-256: a3c566ae6aef92f685c304c59787149b7dd9b2d6d951b97a468c641d9bfc1803 |
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