MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and is flagged by ML classifiers and ClamAV as malicious phishing content. The 'SE_CALLBACK_LURE' heuristic specifically indicates that the document prompts the user to call a phone number, consistent with callback phishing or tech-support scams. No scripts were extracted, but the presence of many external links suggests a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://crewmak.ru/uplcv?utm_term=mullaloo+surf+cam PDF link annotation
- http://okzawidow.pl/img/upload/files/zutogujitu.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/36178011999.pdfIn PDF document text
- http://moestuinwebshop.nl/userfiles/file/fexovepi.pdfIn PDF document text
- http://d2dgroup.net/upload/files/56628515124.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///86587978939.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/21333208342.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-10/20210910085135110197.pdfIn PDF document text
- http://yalcinsezer.com/upload/ckfinder/files/xitovuxowipav.pdfIn PDF document text
- http://tsraccountants.nl/mailing/images/photo/file/33948004392.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/widukilutosegesebere.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/30046715798.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/44551687452.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/af15401e382a05bcb6ac6f457738088b/94728778438.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/11122752332.pdfIn PDF document text
- http://dui-antidote.net/images/userfiles/file/bekonusipexavusesazagujaj.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/15267425308.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/3351062758.pdfIn PDF document text
- https://brawlcall.jordanadams.com/ckfinder/userfiles/files/pibaj.pdfIn PDF document text
- http://thevale.us/userimages/89338147040.pdfIn PDF document text
- http://neoclassicalmansions.com/uplds/file/36282496704.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/vibapowudivem.pdfIn PDF document text
- http://gptools.net/userfiles/file/xusifivokulolo.pdfIn PDF document text
- https://alusol-kw.com/ckfinder/userfiles/files/kepulesutebuv.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16130ebdf47c14---batorufuji.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB684 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE9B | 10164 bytes |
SHA-256: 74a5cb686568021327f9126175992a9661f61356d8ce0e177d894a019a8329b8 |
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font_02_sfnt_off0000e566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE566 | 16028 bytes |
SHA-256: adfa07195e983b598254c5c99fa9b0e6de8fddde18f8fb01996f415b67f7a271 |
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