MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers strongly indicate a phishing or trojan payload. The presence of multiple external URIs and link farm heuristics confirms the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/7650631f49d70f3507065f6262bc6042/vitamivulokorinebemugog.pdf In PDF document text
- https://instalacje-elektryczne.net/ckfinder/userfiles/files/latabaniwositoru.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04a4c14b3c---47102429948.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/a3te3djhc83kmtl6nioo5rgs8t/9438996223.pdfIn PDF document text
- https://artbynela.com/uploads/file/12160711713.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/88589114789.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/u9amiiv5dhv185adha2eieet90/zaladotadovojuj.pdfIn PDF document text
- http://kibbkw.com/uploads/file/niwebosebobekumunidimanat.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/konipezumuwilagunarok.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcb2bd97494---dusaxiwurop.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/vorilaz.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160867d88e1e9c---giguseliwaxanapuvijo.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b066a65d4---93132501406.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/80509143582.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429163422817674.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/475b645b461a4b491f774d15e9275d2a/tofozegusarolaraj.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16073e959dc646---83557287757.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/tamulakuvekitodenibera.pdfIn PDF document text
- http://normel.org/files/upload/file/kapelosuxebetekisidabon.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=mount+kilimanjaro+is+located+in+which+continentPDF 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_off0000ee99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AB | 20328 bytes |
SHA-256: 410e41b1536f47f86793cf78d1c7e62d2268766931d11fd888fdc46eaca7f847 |
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font_02_sfnt_off00013975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13975 | 11036 bytes |
SHA-256: c8d4511bbd05011af037627ea11ba484d9116645433717dbd4ef152531530974 |
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