MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting services, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains text related to software verification and validation, likely used as a lure to drive traffic to these malicious URLs. ClamAV and ML heuristics confirm the malicious nature of the PDF, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://resalured.ru/123?utm_term=what+is+the+difference+between+software+verification+and+validation PDF link annotation
- https://cdn.sqhk.co/kerutadit/HNgffje/27187364641.pdfIn PDF document text
- https://tixusevonatafix.weebly.com/uploads/1/3/4/6/134611731/sopexaxexug.pdfIn PDF document text
- http://exemplpusj.com/antecedent_form_meaning_in_telugu6oa2e.pdfIn PDF document text
- https://bulugigedi.weebly.com/uploads/1/3/4/7/134714886/girosozagowuwudopiz.pdfIn PDF document text
- https://cdn.sqhk.co/sajatanugeg/geifjim/action_hero_biju_meme_dialogue.pdfIn PDF document text
- https://wizujepubenepax.weebly.com/uploads/1/3/5/3/135317151/daa0558886707a.pdfIn PDF document text
- https://cdn.sqhk.co/sileluzorupo/hcicVys/input_tax_definition_under_gst.pdfIn PDF document text
- http://fallofelin.online/88663707483pfp3t.pdfIn PDF document text
- https://femobideja.weebly.com/uploads/1/3/4/7/134735935/3d0e866.pdfIn PDF document text
- https://bojuwakuxejekur.weebly.com/uploads/1/3/5/3/135347713/momimasalaw_zemedexem_jobapede_xosudelobufepim.pdfIn PDF document text
- http://musofiron.ru/kosamusuv1t7b.pdfIn PDF document text
- https://rosunitekuw.weebly.com/uploads/1/3/1/3/131384708/lebisagaw.pdfIn PDF document text
- https://cdn.sqhk.co/tilafukefuwe/jjjjaXS/nigusezopiradak.pdfIn PDF document text
- http://detonic-ordina.website/how_do_you_clean_a_shark_navigator_dlx_vacuum8bizp.pdfIn PDF document text
- https://cdn.sqhk.co/foxoxaze/Figgf8q/45857884882.pdfIn PDF document text
- https://vesanalu.weebly.com/uploads/1/3/1/4/131482823/wupufebeduma_tibulasegizoba_nelururoxak_jofape.pdfIn PDF document text
- https://cdn.sqhk.co/nupegefozub/jdZidhg/doodle_jump_download_nokia_3310.pdfIn PDF document text
- https://cdn.sqhk.co/kunimoxifagi/oifgxhe/novuzitefazaj.pdfIn PDF document text
- http://instapodarok365.site/23573360604ufsw.pdfIn PDF document text
- https://cdn.sqhk.co/fedelubu/nidCRwZ/86116940889.pdfIn PDF document text
- https://wemosixalaku.weebly.com/uploads/1/3/4/3/134315089/kibapapisogenux.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
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8A | 5200 bytes |
SHA-256: 44df5b09dd5eae044b65e7adc24edb3784734c34cbe7090180773735cf615739 |
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font_01_sfnt_off00010c42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C42 | 11328 bytes |
SHA-256: ed71691fba4efa9281aa284b9ef1c28e0eb1fe81c3a8ace94ae3f90c29ecd5ec |
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font_02_sfnt_off00013282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13282 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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