MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to external websites, many of which are hosted on compromised WordPress installations or disposable domains. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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 http://suacona.com/clients/16856/File/13474381851.pdf In PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608e13748d805---14193529314.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608364518041f---radejokugezenu.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a675ec9d687---5005288976.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607f22d708e22---95787975856.pdfIn PDF document text
- https://stegopackaging.com/wp-content/plugins/super-forms/uploads/php/files/416iaf3utf4f4uqcg4eg16ajit/laxifenufelese.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/a37c5cd3cbf7d7b0b6a7b9d277187d3e/5989809114.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076948691c09---sudefegaligujufipukiko.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bac3556fff---sifaxisajiraparusosoted.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160909633c079d---rukobupi.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/suvuligefidarovezab.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a49976ee36---fofuxexegojebegarosafuxa.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa7af28357---lubumixeridiwuzoduwak.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16087f78588985---goxaduzedifesud.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/2eb192f73566476e557d21f79e021394/43344882714.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/oq3nhvqg2bk4oonji5v3arh53o/20855020727.pdfIn PDF document text
- http://thedreams.cz/files/162759912.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abb7b046dd1---silokojemenowusuw.pdfIn PDF document text
- http://studiophotosfashion.it/userfiles/files/paxarodojededi.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/f39639d5a98f91a398148269ad7495fc/fizukixikowajisixir.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/69971443900.pdfIn PDF document text
- http://lawrence-spruill.com/clients/42275/File/texixebisisumijabut.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/62350114481.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/72693800655.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/ff3b1d255bef6d5acea0ab0dceac35b8/26015911455.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=beyond+the+backwaters+packagePDF link annotation
- 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_off0000de59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE59 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF670 | 11140 bytes |
SHA-256: f262824be7bea3f33102696ae189fcc2186b9f204a31deeaf1b840e29bc2d88f |
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font_02_sfnt_off0001101d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1101D | 16880 bytes |
SHA-256: 136c19421528f93b41ce5cbb39a282dcb3ceb4d2675f8948a9025afe88e569e3 |
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