MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains and appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a malicious attempt to distribute content or phish users. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification. No scripts were extracted, but the structure and URL patterns indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://wastran.ru/uplcv?utm_term=eliminar+contactos+de+gmail+en+android PDF link annotation
- http://studiomedicoveterinariobellucci.eu/userfiles/files/88093714839.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/18435981179.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/68537153583.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161314635ea825---58093892298.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/xiroromobazovexezefaloret.pdfIn PDF document text
- http://liweisteel.co.th/ckfinder/userfiles/files/zakodujuxatojadewew.pdfIn PDF document text
- http://hoteldanang.com/uploads/images/files/wekekazavexikapuvujazen.pdfIn PDF document text
- http://jjc-dev.com/userfiles/file/80968344894.pdfIn PDF document text
- http://nasledie-sluck.by/var/upload/file/vavuvurodilufoju.pdfIn PDF document text
- https://mastirz.com/userfiles/files/65640201157.pdfIn PDF document text
- http://phonphangschool.com/upload/files/60003672660.pdfIn PDF document text
- http://senvietsystem.com/ckeditor/upload/files/domuvudebonadopixexi.pdfIn PDF document text
- http://dycelife.com/userfiles/file/92697652187.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021090702181673499.pdfIn PDF document text
- http://jshanwoo.com/ckfinder/userfiles/files/gatewanajemifupomo.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109081746389374.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/g1t6ekta0cpo053rh4j90ivpb5/45732432987.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/19186632528.pdfIn PDF document text
- http://villapellegrino.it/userfiles/files/11701108552.pdfIn PDF document text
- https://srsatta.com/ckfinder/userfiles/files/27555457339.pdfIn PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/litiwafagojadonofa.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/panubokekapuwijamix.pdfIn PDF document text
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/danagez.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/87065474057.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/regudoko.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_off0000d5c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C1 | 19600 bytes |
SHA-256: fc4ab34e5976eee0801b5a4d6ed46015f79eb70b7c8e949524aa7a4cb202225a |
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font_01_sfnt_off0001079e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079E | 10696 bytes |
SHA-256: 3c7d3ebdee07d41a38810f50aeaea2aeb5696b2ba3fc0672f21a399f7cb7e6d0 |
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font_02_sfnt_off00011fe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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