MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links pointing to various PDF files hosted on disposable domains, indicating a link farm or SEO manipulation scheme. ClamAV and ML heuristics flagged this PDF as malicious, specifically as a phishing trojan. The embedded URLs and the structure suggest an attempt to lure users to external sites, potentially for further exploitation or to distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://dafemum.ru/wix?keyword=clarion+nz503+manual PDF link annotation
- https://bozobazevadetob.weebly.com/uploads/1/3/1/6/131607158/faxibip.pdfIn PDF document text
- http://vuwazakuzasoz.iblogger.org/dedawamuvetorug.pdfIn PDF document text
- https://cdn.sqhk.co/lajoroteb/jNggahf/best_android_app_for_blocking_robocalls.pdfIn PDF document text
- https://cdn.sqhk.co/limexofure/hgyihgi/mountain_bike_helmets_reviews_2020.pdfIn PDF document text
- https://cdn.sqhk.co/vujalenan/jejjjeP/fogif.pdfIn PDF document text
- http://vidapabil.22web.org/84444356957.pdfIn PDF document text
- https://cdn.sqhk.co/sevijeruba/jce7geo/raza_meaning_in_marathi.pdfIn PDF document text
- https://cdn.sqhk.co/suxujaba/jjm7k2v/recargado_en_ingles_traduccion.pdfIn PDF document text
- https://cdn.sqhk.co/befozaxulot/iidF2ia/kabebetonu.pdfIn PDF document text
- https://cdn.sqhk.co/mojazejo/dW1TgjI/vpn_for_pc_windows_10.pdfIn PDF document text
- https://cdn.sqhk.co/lijedubejop/jghgiay/kebivexefi.pdfIn PDF document text
- https://cdn.sqhk.co/gobumavurob/Vidijid/tikujavakixi.pdfIn PDF document text
- https://cdn.sqhk.co/bedogipaxog/jahhiiB/video_downloader_app_viral_mate_downloader.pdfIn PDF document text
- https://cdn.sqhk.co/kofelejezem/ghofhbQ/al_kahfi_muzammil_hasballah.pdfIn PDF document text
- https://sukuwakutas.weebly.com/uploads/1/3/4/6/134603616/4594164.pdfIn PDF document text
- https://cdn.sqhk.co/dibidoretu/K1aTBhi/1196385929.pdfIn PDF document text
- https://getenulezawo.weebly.com/uploads/1/3/4/8/134897364/duwilukexilimakurodo.pdfIn PDF document text
- https://cdn.sqhk.co/xurinuwame/hjgepvh/20011260705.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://takidodaw.rf.gd/20029315303.pdfIn PDF document text
- http://nixomirorubu.myartsonline.com/fuweviwiwokedot.pdfIn PDF document text
- http://zetuvidofik.epizy.com/java_calendar_format_date_string.pdfIn PDF document text
- http://tavoxelelenasi.onlinewebshop.net/63970198579.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_off00015b70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B70 | 5036 bytes |
SHA-256: b0f507953b156b850b72a24130d1d1b3d5eb6702fcaba934f869540f2586c28c |
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font_01_sfnt_off00016c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C83 | 11348 bytes |
SHA-256: 5628479522c98b5c7f349440e9c4bdf18f79e082fa056dac7584ed62f64d94b4 |
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