MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with high confidence. Heuristics indicate the document contains a link farm pointing to compromised WordPress upload storage and disposable hosting, with URLs containing 'utm_term' parameters suggesting redirection. No scripts were extracted, but the presence of numerous external URIs and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://infrive.ru/uplcv?utm_term=dual+audio+movies+download+websites PDF link annotation
- http://millenium.moscowfashion.net/content/xuploadimages/file/kejosa.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/hhdp4bar4mq0e1mqf7v0bh1l13/jeganejuvokura.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/nexud.pdfIn PDF document text
- http://ukrkarta.ua/fckeditor/userfiles/file/wopipifano.pdfIn PDF document text
- http://kehlux.lu/userfiles/files/11877429728.pdfIn PDF document text
- http://labsshop.com/d/files/42789849161.pdfIn PDF document text
- https://albertoangel.sinecsas.com/ckfinder/userfiles/files/76011489911.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/fetubum.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/14d3fa71fe82f0682f3fa348e9a7b41a.pdfIn PDF document text
- http://ideal-site.ru/userfiles/file/gikubiketebowositanere.pdfIn PDF document text
- http://iphysiology.ru/upload/pumebot.pdfIn PDF document text
- http://peoplefoster.com/pliki/84997786281.pdfIn PDF document text
- http://systemsbiology.at/uploads/assets/file/vixedewepolabogasimemek.pdfIn PDF document text
- http://yetisirkaucuk.com/firma/files/74942625398.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/75377750111.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/mawaxijewa.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/97120159964.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/cd1aeef2e0f3c49bdf2ec762acea7197/mumegorireget.pdfIn PDF document text
- http://atmaircenter.com/lb/userfiles/files/72486742467.pdfIn PDF document text
- http://anticacarsulaeborzoi.eu/userfiles/files/19759058809.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16148616f77188---35975965008.pdfIn PDF document text
- http://csc0451.com/userfiles/file/20210910231726_dbryxx.pdfIn PDF document text
- http://www.eau-msu.ru/ckfinder/userfiles/files/sojozefukem.pdfIn PDF document text
- http://heizler.hu/files/file/riluwasavonikuw.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_off0000befe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEFE | 16464 bytes |
SHA-256: 602ff0e8af30362ef031be52a0fd6a05fed617cc5e0c7b319d67bdfa8ffefa66 |
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font_01_sfnt_off0000e96e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10185 | 10700 bytes |
SHA-256: cdf3a7d056e1ad2d53272b117f8125eb1eb0326954d9301d55e2f269d434925d |
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