MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to potentially compromised websites or disposable hosting, characteristic of a link farm used for phishing or malware distribution. Heuristics indicate it's a link farm and a ML classifier flagged it as malicious, with ClamAV identifying it as a 'Pdf.Phishing.Trojan'. The file's purpose appears to be directing users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/wigoziturenagibulonudegin.pdf In PDF document text
- https://activepymes.com/pub/file/75253272084.pdfIn PDF document text
- http://www.aragonemprendedor.com/userfiles/files/tixopav.pdfIn PDF document text
- http://sro52.ru/uploads/files/82775127737.pdfIn PDF document text
- http://turbotechnik24.de/userfiles/file/lasanapupijepigurotuki.pdfIn PDF document text
- https://careerroots.net/ckfinder/userfiles/files/8328964945.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b174e73008---62752529803.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/tebikivadatenipizeginurem.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bf1d8864c---44928042511.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/9473904326.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/wimogudoribidog.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16135cb74751cf---bidifoxorofebivivamejepi.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/1601a9ff2d8660e117fea981d97c2e2c/jopizokaxofinisorewun.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/vonemogo.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/fonaxan.pdfIn PDF document text
- https://huaku3c.tw/uploads/files/202109030401078452.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210901110949.pdfIn PDF document text
- http://tidomusica.com/uploads/files/202109020800533537.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/35272603425.pdfIn PDF document text
- http://obkladacstvikolar.com/content/38184643723.pdfIn PDF document text
- http://polaryachts.com/res/wysiwyg/file/wijovaranusulutedalolak.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/todeleketepulosuvuza.pdfIn PDF document text
- http://www.globalnautique.nl/upload/files/femuwizuj.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/67814677040.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=sonic+the+hedgehog+2+unblockedPDF 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_off0000cb43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB43 | 10744 bytes |
SHA-256: a3e91a613f32eb9ad1a97265ea51d2cf7b08334fe43e87dd2809bada8a4e1aa3 |
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font_01_sfnt_off0000e3b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B8 | 18368 bytes |
SHA-256: fdc3b71b0be6b85f9904020bbab7033aee013e589f5d15862694577cc93d894b |
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font_02_sfnt_off000113e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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