MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or SEO poisoning campaign. The document body was unreadable, but the presence of multiple external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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 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://mea-travel.pl/userfiles/file/xofuvosiladokamagu.pdf In PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/puwapurerevunesuwev.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b44f74865---54069162777.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a50a1753d26---vowefewanamubib.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/28cd25fb3f4aed89cf68a2a983b998af/wixuwejimubijefaritorimo.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/nezujowedarefadogusi.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/xadididunowimuzimuruke.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/on33149asvl0c9p20u6tutu6b1/kogumef.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/777ede62ddcf90158a6a69529299ced7/nitum.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/lapuzod.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/64255096073.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/6201941893.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609635b0afd95---65286424744.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210630_C48AEC4CA71B0361.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/tividevemazebas.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/n6utk9287qm09s30vsuons47e6/fiwox.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/pagagiset.pdfIn PDF document text
- http://vswet.ru/f/satabajigamitejinoti.pdfIn PDF document text
- http://systemsbiology.at/uploads/assets/file/1991972536.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/98961629293.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/jujigisuwurikupokedipu.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/pujesemura.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/9ccdb97662762df639a684c6bca6716e/83183316939.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=boca+do+inferno+ana+miranda+pdfPDF 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_off0000dda2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B4 | 19736 bytes |
SHA-256: f5c94f43ce76f26bbcb0bc175fe78910e31326c633572bf543eb81c240efa81a |
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font_02_sfnt_off00012677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12677 | 10524 bytes |
SHA-256: cefe87e9708ae3c55a6b87148ea336bce988edfec84129c560bf158c4a9db056 |
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