MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, appears to be a lure related to free books, aiming to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://jumiwimov.ru/award?keyword=alejandro+dolina+libros+pdf+gratis PDF link annotation
- http://sifisomatexow.sportsontheweb.net/52317107193.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528260/normal_601d5e21b268c.pdfIn PDF document text
- https://zozumufixava.weebly.com/uploads/1/3/0/9/130969508/8577640.pdfIn PDF document text
- http://jugapus.sportsontheweb.net/81297217089.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484633/normal_60039188dc016.pdfIn PDF document text
- https://koberowebajufom.weebly.com/uploads/1/3/4/0/134096943/380b71786a27c37.pdfIn PDF document text
- https://siroxaje.weebly.com/uploads/1/3/4/0/134000026/6367015.pdfIn PDF document text
- http://xoxuvajes.mywebcommunity.org/bubapumon.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366035/normal_5ffaca8b554b6.pdfIn PDF document text
- http://dotekebenutedex.scienceontheweb.net/how_do_you_read_a_tempa_dot_thermometer.pdfIn PDF document text
- http://migipobazu.mypressonline.com/cours_d_anglais_mdical_gratuit.pdfIn PDF document text
- http://gipovasota.sportsontheweb.net/grammar_for_english_language_teachers_parrott.pdfIn PDF document text
- https://virefogagivagu.weebly.com/uploads/1/3/0/8/130815228/tavile-dujegufegudu-velexevosaxevok.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c1908cc8-b41e-4b5b-ab1c-53d28a7f2745.filesusr.com/ugd/913720_a59d2853f4f548ba834797bcc182b72b.pdf?index=trueIn PDF document text
- https://80820154-e864-4b0c-832b-212b24169927.filesusr.com/ugd/c12414_fa540282d566438d9584f5517ab71594.pdf?index=trueIn PDF document text
- http://rukosivujuxu.atwebpages.com/banjara_nama_in_urdu.pdfIn PDF document text
- https://2ddedb0e-b7b0-41c9-a8bc-c018bd0e6e4c.filesusr.com/ugd/70094d_96305eff3087407ba1f1cb1d973d3015.pdf?index=trueIn PDF document text
- https://e2604e0b-f95a-4acb-b53f-a7db3827b2a1.filesusr.com/ugd/225520_25bd09969b9a4ebeb3698d10806aa6d9.pdf?index=trueIn PDF document text
- https://1afae0f6-9e35-4dc9-9db7-5dbf78511926.filesusr.com/ugd/afe78f_2dd060a0ace645849e1e704cc5bf4c18.pdf?index=trueIn PDF document text
- https://c1e70603-6ca1-47bc-880b-b60d7d434995.filesusr.com/ugd/df625d_aca25e23a7384892801ef7f24fabad50.pdf?index=trueIn PDF document text
- https://92fa68c6-d088-48c5-94d9-776fe0504fc0.filesusr.com/ugd/5a053b_34e01a26f31f4731b6ae6ff6205aff02.pdf?index=trueIn 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_off0000edb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB5 | 5416 bytes |
SHA-256: 6eda79288c13c235457d7c7f2801dabac90e4055a884f67a4541e9b4bd7eadb1 |
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font_01_sfnt_off00010030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10030 | 11800 bytes |
SHA-256: 72a88fe00d0c9dd768d6fceefb8eebb031ca994df854f1d9e2913fa637c633c2 |
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