MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan. Heuristics indicate it contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic. The presence of a 'download button' lure further supports a malicious intent to redirect users. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://leonvi.ru/wix?keyword=hamilton+beach+flexbrew+instructions+for+k+cup PDF link annotation
- http://damita.fun/high_school_geometry_worksheetsnfo4r.pdfIn PDF document text
- https://kunamugak.weebly.com/uploads/1/3/0/7/130739026/623282947c.pdfIn PDF document text
- http://dufasobogunojat.22web.org/world_religion_and_belief_system_book.pdfIn PDF document text
- http://thelandofbadideas.com/jidot9n0h6.pdfIn PDF document text
- https://zijariguduneti.weebly.com/uploads/1/3/4/6/134619007/xotogejakumaxov.pdfIn PDF document text
- https://pekubitox.weebly.com/uploads/1/3/4/4/134477952/mufagudozi.pdfIn PDF document text
- http://lifeit.pro/how_much_is_the_bus_fare_for_seniorsilfq9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pamakejexo.epizy.com/angular_2_complete_tutorial.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d597e2b8-9471-43ba-a05a-9f3e40db3c13/93324449575.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63618f5d-00f9-4635-ad2f-2718e1c8d22e/3_estates_of_government.pdfIn PDF document text
- https://s3.amazonaws.com/feliso/2774608777.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afdfde9f-9cb3-464a-ae04-f8fd2f481c8b/91259557426.pdfIn PDF document text
- https://s3.amazonaws.com/nedijowewoded/xizagavekamenarurabelab.pdfIn PDF document text
- https://s3.amazonaws.com/dojivewobasuval/3157826948.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46ab5995-01dc-41b7-9ae4-2f779e9d26a0/what_type_of_intermolecular_forces_does_so2_have.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74d38c2f-6dfb-48c5-b7ed-6e77a1524765/24027452319.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6bb5b88-3699-43d6-89b2-322bac66eedc/cuales_son_las_escuelas_psicologicas_y_sus_principales_representantes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/511c0014-901f-4284-8d93-73bcd76224a0/polk_audio_signa_s2_2.1_sound_bar_with_wireless_subwoofer_reviews.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_off00010211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10211 | 5580 bytes |
SHA-256: 2d1a9bf48ff0db18a8493b24137103eb972fd512b8f8f510efa42509cabc0a58 |
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font_01_sfnt_off000114f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114F0 | 12608 bytes |
SHA-256: 906396f2fb2617786f5e5d29a769794c9719609f15d14ff872aa86bb129879e6 |
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