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 0.9995
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://mezovuduw.ru/strik?utm_term=s.j.+gould+the+mismeasure+of+man PDF link annotation
- http://tuzazigigub.iblogger.org/conduction_of_heat_in_solids_oxford.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393204/normal_5fc98705ae807.pdfIn PDF document text
- https://cdn.sqhk.co/fekawitaxug/NIih6Qf/gardenscapes_swamp_adventure_2020.pdfIn PDF document text
- https://cdn.sqhk.co/lilovenodi/fsTjcig/3965426498.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499629/normal_603fb23c82154.pdfIn PDF document text
- https://cdn.sqhk.co/dowamagova/eSgdTGC/lazedokamotipi.pdfIn PDF document text
- https://cdn.sqhk.co/zerumowo/aqSmPC5/27787376506.pdfIn PDF document text
- http://wanebori.22web.org/18816442882.pdfIn PDF document text
- https://cdn.sqhk.co/nogorodizet/4sRwgdE/coded_inequality_reasoning_questions_and_answers.pdfIn PDF document text
- http://mon-cmso.best/what_was_the_us_constitution_written_forxoaak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379970/normal_60152afb9e45d.pdfIn PDF document text
- http://reduslimitaly.website/arduino_uno_tutorial_youtubey6tv1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407729/normal_5fcacde5f1fce.pdfIn PDF document text
- https://cdn.sqhk.co/jasojime/pEVNiet/royal_chaos_banquet_guide.pdfIn PDF document text
- https://cdn.sqhk.co/pugepavofu/i6iKkid/cheap_flights_from_city_airport_to_amsterdam.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
- https://4779f2f8-a33e-4327-9c78-21ee0bcf4620.filesusr.com/ugd/31bf02_1b1ef0f7472b4388864efbe275626adc.pdf?index=trueIn PDF document text
- https://d5e9a058-cbdc-4968-ba72-30cdbf1e36a3.filesusr.com/ugd/9cfd0a_ebaff80368d442dc8e14678f406b1025.pdf?index=trueIn PDF document text
- https://b81e1767-bb0d-4562-9f98-cfef66859bb1.filesusr.com/ugd/b48b60_f9c99367e39045f18825748763d50925.pdf?index=trueIn PDF document text
- https://b5c4f4dd-ae1f-4f6a-908c-f463551224e4.filesusr.com/ugd/dafd60_677e7fd2f0044d5f979721f8f31074d2.pdf?index=trueIn PDF document text
- http://sobezoneroli.epizy.com/bibliothcaire_formation__distance.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12313 | 5416 bytes |
SHA-256: acec3594cf2f39d7dfdf8e8bcefea976625efc662e0b2d3fc00cd5dcf329ad06 |
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font_01_sfnt_off00013556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13556 | 10540 bytes |
SHA-256: 0f505b2f969aeea9aa7a095a2f20133f177882b497ae27a9b3eeea895696a3d0 |
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font_02_sfnt_off00015980.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15980 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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font_03_sfnt_off00016eae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EAE | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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