MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to a 'black friday deal', aiming to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://synerhu.ru/uplcv?utm_term=i5+black+friday+deal PDF link annotation
- http://thingsantiquesla.com/userfiles/files/zevemuzurawevejegexorowo.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/igodmnvhb47vqdes462b5oli87/guwetojareze.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/ponibutadopujopor.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/5aa1c69fabd1fe01ba0ed3b981535e32/sebetizerixavak.pdfIn PDF document text
- http://fotossc.pl/_files/file/sisikexipo.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/2758ba65a6706e93e2fe3462dae23412/bosasejizamagu.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/lugizuzita.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/11909893392.pdfIn PDF document text
- http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/55934118908.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/3b73de6c685dcddd0679e55947df753d/76168266396.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609418243bd71---xisukutugebupuxo.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/savukaxinetokonutumefij.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050618564673499.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/b6daae79479dd21c363fd711faf21f59/8458037618.pdfIn PDF document text
- http://closehorses.com/userfiles/file/gekilurinode.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012f62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F62 | 5204 bytes |
SHA-256: ed5cae3a376de9f21b90ca71647e6473bf8801f5af9c72b330325a1cc593edfb |
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font_01_sfnt_off00014137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14137 | 11544 bytes |
SHA-256: 50b1d998b48cd700a5e62e53e0ddbb725a3a240ac14ed90bbf89369d89e1818d |
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