MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. 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 0.9989
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://infrive.ru/pbw?utm_term=what+is+the+difference+between+awg+and+mm2 PDF link annotation
- https://jomaredavox.weebly.com/uploads/1/3/2/3/132302995/460403.pdfIn PDF document text
- https://vufosaxirit.weebly.com/uploads/1/3/4/0/134018891/2096185.pdfIn PDF document text
- https://xexewevifiwewol.weebly.com/uploads/1/3/6/0/136054804/3154837.pdfIn PDF document text
- https://kivowitu.weebly.com/uploads/1/3/4/7/134703836/nudapomigademopikoro.pdfIn PDF document text
- https://jofuzidud.weebly.com/uploads/1/3/4/8/134868871/3871167.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/9d91e0a2-e24d-4bba-bf07-ad17de0a7924/fafus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85ed14f3-9add-441c-8730-e5b8eac347d8/nubiwigot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c35d1db9-596f-4435-bccf-aab9de14052a/the_human_centipede_1_full_movie_download_300mb.pdfIn PDF document text
- http://sizolasipape.pbworks.com/w/file/fetch/144412449/kowevemojopulusirixafuva.pdfIn PDF document text
- http://zopujoxobug.pbworks.com/f/when_is_s9_plus_getting_android_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b03734aa-ec11-403f-9540-0bc873c78ea6/88804833131.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abf14118-1b6b-49df-a290-6511649dc0a8/the_dark_knight_story_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3b26f59-1bf1-4eb4-ba69-12f984d344e2/29669079373.pdfIn PDF document text
- http://nusuwoxub.pbworks.com/f/how_to_find_the_median_of_grouped_data.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f625db3-041d-4b14-b07d-6e548044d91d/how_to_thread_singer_sewing_machine_4432.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6eab0bb6-2616-427c-a1b4-8e65379defb4/super_street_fighter_2_turbo_apk_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf287b8f-ae17-4980-abee-0dee36a3ed6a/gartner_magic_quadrant_2019_business_intelligence_tableau.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c088dd0c-84b8-45e8-9223-a6d7661fc162/podotupojavikobikavevonu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5122ea97-0ece-40e0-9874-2a44318b3bdd/possessive_pronoun_worksheets_for_grade_2.pdfIn PDF document text
- http://negovijalulu.pbworks.com/w/file/fetch/144415533/hypertensive_emergency_guidelines_jnc_8.pdfIn PDF document text
- http://botinuba.pbworks.com/f/25788680574.pdfIn PDF document text
- http://lugozamuxika.pbworks.com/f/22455783643.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fbb5c2a5-4d66-406f-a3b5-3b55938d2012/head_first_python_code.pdfIn PDF document text
- http://kufujibumufa.pbworks.com/w/file/fetch/144413373/63455188248.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001088e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088E | 5780 bytes |
SHA-256: 51cbbe88a2d0a646b27a940d048c9cf20bd3c4f82a95cc3774057f396ae73ebf |
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font_01_sfnt_off00011c33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C33 | 12396 bytes |
SHA-256: 12b09b25db06c45d1cb900a47b883538d3938961a1b72fccadcf83673bc6dbbd |
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font_02_sfnt_off000146e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146E6 | 16036 bytes |
SHA-256: 9559dd1bd908241551916101fda3d445a26f5c4b506a1423f23393456f9d5940 |
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