MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The presence of external URIs and a link farm structure strongly implies a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://hanedantoptan.com/upload/files/82899124928.pdf In PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fdb44f2a894---89578877799.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/68v7m51tjgbiitn195hebg4iuh/42496833706.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cd32b3c081f---mamibozuxasoxepowezemole.pdfIn PDF document text
- http://servmed.net/userfiles/file/piriwix.pdfIn PDF document text
- http://whalesart.com/uploadfile/file///2021052304102388.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160937f9622a23---63535925056.pdfIn PDF document text
- http://yuli-china.ru/d/files/73803689939.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/7375286221.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f653257bf2---12280248141.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/9aa22f82f9564d4cda42b93ca61eb286/sitozegetomakopok.pdfIn PDF document text
- http://expresskaliski.info/file/65329453500.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724e9dc84e4---83846681139.pdfIn PDF document text
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/21003097165.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/a02201d6c7bec120a748035b41639809/luren.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c564c26a883---todekobesuli.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/26404788737.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607932e560482---24250855558.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ca77bcaecd0c1aed5de08db7e85f1f10/64994688823.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/gasuzemomomofumigakerunoz.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/ukcuo4arihqjc74ev2n00054f0/16990074805.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/5a5a225b19a53356b14bca1f9c01f420/lozemedatezivoludabili.pdfIn PDF document text
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/wepurelekavij.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160831893a8560---7629956721.pdfIn PDF document text
- https://bcbc3399.com/upload/files/20570079340.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=lector+de+pdf+online+voz+espa%C3%B1olPDF 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_off0000ddc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC1 | 10900 bytes |
SHA-256: 4a310aee62771fd170b38174eae94c11b08255078c6dc4c321d2caae50fb8178 |
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font_01_sfnt_off0000f6df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DF | 17012 bytes |
SHA-256: 4dd1aa0fa774c703b8c69cab17bbd76fc3cabb210ab5c72ff72346a1606d6266 |
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font_02_sfnt_off0001221b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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