MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous embedded URLs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content or phish users. The presence of these links and the overall structure strongly indicate a malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://catamma.ru/uplcv?utm_term=good+warm+ups+before+working+out PDF link annotation
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b54f7c574e5---25436970989.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/jewirigomevesit.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/67153219607.pdfIn PDF document text
- http://ricettebiagi.it/uploads/assets/file/nesazoxajeru.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/sodekididodivoxumev.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/45420212344.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/84269814355.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a089dd93905---43733468436.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607392122c941---63012053180.pdfIn PDF document text
- http://ashioke.com/images/library/File/motajenaropafek.pdfIn PDF document text
- http://bukhatirhomes.com/userfiles/file/zonezagogapedugonijawajaf.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f29a9b0db---pexasivojibum.pdfIn PDF document text
- https://sinarwaja.com/account/files/lulutiniwikuvemepamafireg.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608641c99ec09---vibevipajak.pdfIn PDF document text
- https://allianztc.ro/files/file/14155475801.pdfIn PDF document text
- https://economiadecomunion.com/ckfinder/userfiles/files/ripasawizefovopaduvozolo.pdfIn PDF document text
- https://quatcongnghieput.com/uploads/files/tiwefib.pdfIn PDF document text
- http://rjt1.org/upload/files/65877704439.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c022128b203---zasojazototaf.pdfIn PDF document text
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/47422479904.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/63535911689.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/e6c1537647c781f564a5bae7f210fbf4/25578345724.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdc100ca49---woxupaniral.pdfIn 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://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_off0000c328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC328 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3F | 11252 bytes |
SHA-256: 7dd2eee727d81287c035c49bd04c8bbbe208cd2e3a186def1cce11001e0a6954 |
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font_02_sfnt_off0000f54c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54C | 15620 bytes |
SHA-256: 931e7de86e932264bdda47e1e822a08eb63d4496d6ce0a6d9df1e998d90cce91 |
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