MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external resources, many of which are hosted on compromised websites or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading a second-stage payload via the provided links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://toptoptraining.ru/img/upload/file/rufuzavedasezufodemifare.pdf In PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/c845aa04b1b9cb78a1c7f892cf1ea15a/ronef.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/dijudefelufikojunulo.pdfIn PDF document text
- http://nguyenthaotech.com/upload/files/daxadubugojuvez.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e5e7f47f525---ridelinufevadi.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/9gc9ih6d4mh8b9fpaafdn58gk7/66902989675.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/2416736875.pdfIn PDF document text
- https://cantellodetersiviprofessionali.it/uploads/file/4560848312.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/edc4123d56ac231387d03e7789aaf1f4/dijarexolugozexujuzusoj.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/10873392033.pdfIn PDF document text
- http://iuf.kr/pds_down/files/39720926681.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/4863290820.pdfIn PDF document text
- http://tuvanthanhlapcongty.biz/upload/ck/files/23911893905.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160dbeb6e05ce4---93878252761.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b51d7fbd83a---43296399495.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/bibaxut.pdfPDF link annotation
- http://stellarp.com/userfiles/file/nejenelawerivepito.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32a2e3dd2c---jasefedigarosoxegojobobed.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160927ecde01cd---disejodogepuginogexuf.pdfIn PDF document text
- http://lhsclassof68.com/clients/73441/File/boseraxubilifegupewilag.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/27823004640.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16087c6bbdf968---pixuxow.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/nuvewevifamanovopitusebo.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/b3000d0b2f47d3bb47f45382e677a670/nonigenixorozejid.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160967a9bb6219---sedonomirijuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=gospel+worship+songs+free+mp3+downloadsPDF 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_off0000efac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAC | 11144 bytes |
SHA-256: 8fc06455bdaced0f8519449c829b61c52e7359dd95e9ba0ee41f54b5028d6b29 |
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font_01_sfnt_off00010966.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10966 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12178 | 18176 bytes |
SHA-256: 6f76b495c5316f1edef0c06800cb715dd204cca3ec7d8d11a9d3006fd56e4ff4 |
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