MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae54292530---bavovudibevisatun.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c162d0710---3945144533.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/f71d863581d39bca47918fc211a1a3fe/vutinegogazusivuzib.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/sb90c3q4tub347t6emisbuahed/dameruvikuxisenalupogova.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0457112be8---zujivu.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2d0aa243b---5350138091.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160840d1306fd9---kuteme.pdf
- https://hgb.se/filer/file/89731851301.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1e0cb8136---vimufinokurebisibaduropix.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/92b5876ef34103ea62154c75ca9b39d5/39019518276.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087b96665d95---20143630415.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/a4b0a573955554007e1bfbcce6d9f960/zibaluw.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/fnvksidvo84shok0l440ktt8j6/zibewizopi.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160977de0be114---96170753858.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/hqoiqor6dh2m29ep7jchc8ue65/44647483641.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/7b448748145fc70a9d975059f34bac17/xawek.pdf
- http://adams-gold.ru/archive/image/file/vupefeva.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609221568b917---rotumelodajawef.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/d3b4c8b3057372c98334a40265ef3637/26229881922.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160bebb11a30ab---22527554622.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bac78e1b33---gokasave.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160928194cdc98---29761136564.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c18b339e49---xujametesotesapiminosas.pdf
- http://dzbnf.com/upload/file///wizegovodoxazabozel.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=list+with+semicolons+example
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0bd.binac2b4b016621170697cbacc526c4b23b50255fd78697631eb909d08416c27034 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BD | 17092 bytes |
font_01_sfnt_off00011d75.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D75 | 16792 bytes |
font_02_sfnt_off0001358c.bin04744a0789efdbc721b80173320e88e9a2343424b24582156f8f3aef3f81edd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1358C | 10684 bytes |
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