MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains numerous links to potentially compromised websites and a heuristic indicating a password-protected archive lure, suggesting it's part of a phishing or malware distribution scheme. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious intent to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://highendschmiede.de/highendfiles/file/54933086567.pdf
- http://dfwsedan.com/nbloom/fckuploads/file/54356245745.pdf
- https://gfwofficial.com/ck_imgs/files/9184839430.pdf
- http://mega-treid.com/userfiles/files/ramawegedofenevutu.pdf
- http://ez-surveying.com/htdocs/cljr/data/files/famonafemediwexave.pdf
- https://fwstc.in/userfiles/file/duwugelokav.pdf
- http://brenna-ski.pl/userfiles/file/77836963766.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613905a0253a6---ravarajuzafapilo.pdf
- https://www.puskinas.lt/ckfinder/userfiles/files/59175973335.pdf
- http://eurekaelearning.com/upload/news/file/xuvutesafijoteputaj.pdf
- https://alamansyria.com/userfiles/file/pokosasowuv.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b41ad7e5f1---34144769572.pdf
- https://lmetinternationalschool.in/ckeditor/ckfinder/userfiles/files/zijutoxugosa.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161368d6a22ef4---zupepiw.pdf
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/63543677272.pdf
- http://xn--b1agpbmdtf.xn--p1ai/upload/file/polomedagexasexuwuma.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/501816d614ced7d3c7bb98784a6978d4/30338848562.pdf
- http://world-housing.jp/ckfinder/userfiles/files/vanamibatup.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16135f17c4bcd6---xanojamige.pdf
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/38215908798.pdf
- https://keluargamimpi2.com/contents/files/bunapibadototufe.pdf
- http://atlonnuri.org/UpLoadImage/editer/files/zoximesur.pdf
- https://theptaynam.vn/upload/files/xewujepavonoj.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/ba1f58eae4705e05813e538581746d86/zekumeku.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+open+my+phone+pattern+lock
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcde.bin9c034a25558c376f2445b69dc254c9374192ae6c223cb878550334894450c99e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCDE | 10660 bytes |
font_01_sfnt_off0000f527.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF527 | 16792 bytes |
font_02_sfnt_off00010d39.bin980dc7a04e00bccf3d44fc3e8dc2e3b5d302281f84f365f30f7ca33221a54b64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D39 | 17924 bytes |
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