MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or redirection campaign. It contains a high number of external links, many pointing to compromised WordPress sites, suggesting an attempt to lure users to malicious content or downloads. The presence of a link to an algorithmically-generated URL further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606f436f7e216---81403977854.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/7511e4db4fabf69721a6b63ff97eabe6/77637836619.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1c14d6857---dofowu.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/7f0d77dcdc349471b5e929df402b147b/7805152457.pdf
- http://nutronicltd.com/userfiles/file/22527063201.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/o2i5jb2pnjmkbktc4qdkneapht/poluzaxuraxeru.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c163d7e8257---70144844616.pdf
- http://dui-antidote.com/images/userfiles/file/fapekufulexej.pdf
- http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/62169250675.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/4e08cbb3b41e2e0e55cd2d91c7752ec3/zirezam.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d530f0d069---82515929736.pdf
- http://bjbtrh.com/files/pic/file/rumodi.pdf
- http://sacoorhealth.pt/site/upload/file/jovaxuferozaxoruvumezo.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/c4c708e579832c6bace37c1e7a7bd27f/mivisefim.pdf
- http://studiotecnicobonoli.com/userfiles/files/71722804091.pdf
- https://flyingfish-stay.com/userfiles/file/82160578875.pdf
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/840469121.pdf
- http://alexlunacoach.com/img/editor/file/65656184524.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/4e9c4415d164e735cc91410e5b1ea45b/waxofonik.pdf
- http://wenxuezj.com/images/File/kudibexipunovoleraxabugo.pdf
- http://vhktn.at/images/content/files/maniwetemawabaped.pdf
- http://al-bandak.com/userfiles/file/86968498795.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608679c38fb5d---tepeg.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=now+you+see+it+stephen+few+pdf+free+download
- 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_off0000e8d5.bine26f7bb1f53764ee109d0d8bedb3e54cc4072c0ef280542ce40d687b62a89cfb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D5 | 10872 bytes |
font_01_sfnt_off000101fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FD | 16792 bytes |
font_02_sfnt_off00011a0f.bin59157eb0c26bd9812b78487e61a6cdb07a7e41302e48b371eadc4d5742fe326b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0F | 17528 bytes |
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