MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which point to disposable domains, indicating a link farm or phishing attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure or a downloader for a second-stage payload.
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://jacksth.ru/strik?utm_term=if+i+stay+book+2+ending PDF link annotation
- https://cdn.sqhk.co/totimujid/hiuxuji/lozemowovudoziwapad.pdfIn PDF document text
- https://cdn.sqhk.co/kojetozativ/hdjdHZT/hicare_hand_sanitizer_sri_lanka.pdfIn PDF document text
- http://appeal-ig.com/can_chromebook_memory_be_upgradedickto.pdfIn PDF document text
- http://loxigedu.iblogger.org/febomor.pdfIn PDF document text
- http://freud.icu/bufirixevofotevuvelededif9nn3s.pdfIn PDF document text
- http://omshop.space/14552412542jbgzg.pdfIn PDF document text
- https://cdn.sqhk.co/wofunukasu/cZq81IT/billie_eilish_bad_guy_lyrics_justin_bieber.pdfIn PDF document text
- http://palaxofivuleduj.medianewsonline.com/10594585308.pdfIn PDF document text
- https://cdn.sqhk.co/wuzosiboweja/hbus0Mc/48925626544.pdfIn PDF document text
- http://ses-paypal.com/6138734515476tgd.pdfIn PDF document text
- http://bloodcraft.online/pawakijatumosk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2ea9429b-0332-4ee6-bb75-ab9535b56c99.filesusr.com/ugd/e2f7e1_329b7c678b15413fb50946f1f173689a.pdf?index=trueIn PDF document text
- https://ab9101c8-a046-40a0-ba79-761bab9f3367.filesusr.com/ugd/61fb7c_f6d9aa40dc2848ffb484b88a79c6a905.pdf?index=trueIn PDF document text
- http://nubirumoxid.onlinewebshop.net/64196471437.pdfIn PDF document text
- https://6c473ef0-402e-45f0-9f95-6bc7e89a6a1a.filesusr.com/ugd/5518c3_bdeb129ac2a248cc9b1820601e6bc029.pdf?index=trueIn PDF document text
- https://a32e93c2-1aa3-4149-af29-aa5d163ab988.filesusr.com/ugd/40336e_ce49e1dba05b4dbe99d08b03c5625a4c.pdf?index=trueIn PDF document text
- https://6762652a-e869-40f3-960d-1446d4066230.filesusr.com/ugd/55e6b1_3c526adfc0f641f1a05a5a01064b80e0.pdf?index=trueIn PDF document text
- https://2cc3dcad-61c1-4442-8662-ca5be7cd8672.filesusr.com/ugd/71b93f_edd0fa5b82694fc6a0b1003768de5cb9.pdf?index=trueIn PDF document text
- https://849bdae7-2456-4570-9e2a-fc769e7e49ad.filesusr.com/ugd/2074c9_d135a232254e4783b669a87f7adf911f.pdf?index=trueIn PDF document text
- http://wetizizokixo.epizy.com/buzibozujawi.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C0 | 5320 bytes |
SHA-256: c5c114d470d327a8a70fdb72df6874e49c9f2048a6c322774aeb5a39a2a01ce6 |
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font_01_sfnt_off000106fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106FE | 7436 bytes |
SHA-256: 2a64f938cf4e11912da0e361065f6c9c3532fb421abd698a01f5bdf1e4c644c9 |
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font_02_sfnt_off000120ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AB | 11116 bytes |
SHA-256: 1826bfb4e53f44e721196565a5b39333cd7c33caa27c9dd4e934b80e060d9373 |
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font_03_sfnt_off000146a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146A9 | 1736 bytes |
SHA-256: 1648accd5638f26481c437d0e436fdfb03edab78dab75f4e73239278c8cddc19 |
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