MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress installations, suggesting it functions as a link farm to distribute malicious content or phish users. The URLs extracted indicate a pattern of hosting malicious PDFs on various domains, often within vulnerable CMS plugins.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://inwebjor.ru/uplcv?utm_term=what+is+word+formation PDF link annotation
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/d1t0er032gq6rrhkjq795ai081/5284909319.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba45613d83---17921664522.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/43001905814.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16094c3cc7ac87---badonebomojowadutodes.pdfIn PDF document text
- http://varanini.pl/userfiles/file/vomelagelitime.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c93ec08b3a---fisekok.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/99211809654.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ef67ddbae---xetuxuxaxizowafevatasatu.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/j5m27ds613vpicaqe3i7dt8hoh/60510412644.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/77893797789.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/kironefokaramotarasaxe.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/5s3qp4260eiieujogae1fc02cg/12839907285.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9923af5a---gotumifafosuviwus.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/e01vob5364c2ifdv7b74b09oj7/wugabalemobeduk.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/zabisimegixe.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210701175817_734903222.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/a4eda7cf6b81fb8d7eef5fb0d0a181a0/nelotabogon.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/sejaga.pdfIn PDF document text
- http://ninfahartman.com/clients/d/d5/d5ac6782717b6a1c58177985440d8e57/File/fesegebuf.pdfIn PDF document text
- http://rchs1964.com/clients/5/58/580abc73d3aac4ea3a2bdd7c75327783/File/zufuter.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089cb1ddae43---56385456304.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c7f847252---42934381079.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d24e89b2ed---6275593661.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/18008735413.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160706831c6caf---98607060431.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b061b26ab---61548870832.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/o2rpgab3gu8kph66bku2p0e3c5/49852120361.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_off0000eeae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAE | 17092 bytes |
SHA-256: 832066f46041d927ee1882e5f899b99fc0d0d2afcf929a759202a364ea3fff80 |
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font_01_sfnt_off00011b4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013365.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13365 | 10520 bytes |
SHA-256: c9ebf00d2690cb0db82eb35c6e99c9c1ea70367cc281b8ab9eb8003f4ad75b36 |
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