MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many embedded URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and contains no readable content, further supporting its role as a malicious container.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://dhesient.com/media/52626498747.pdf In PDF document text
- http://tehnicgaz.eu/files/file/59819964112.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/dabozolisaguwalusuno.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/12f982337fbece976822b6f8cb16a904/nitijibulow.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820334a4208---37269288056.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/6ebc83c947c2c5dbb337a348d8f1dcf0/77533197351.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097648b6be01---liriredusav.pdfIn PDF document text
- http://skncn.com/u/files/melijuwigovutiluxeb.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a988b27052d---surigeworajasitisupuji.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/80674870929.pdfIn PDF document text
- https://gelblighting.com/userfiles/files/68635325202.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160aacc5ca94d2---27692927767.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/zolawe.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/1oo6tuu8mlsn7qi40te46p0cia/77941469576.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///riwuwixaxozeroxam.pdfIn PDF document text
- http://trips-in.com/ckupload/files/4925411722.pdfIn PDF document text
- https://castilloexterior.net/ckfinder/userfiles/files/jejusamonerirami.pdfIn PDF document text
- https://bloc-immo.com/images/xiwutogesifixulax.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/taparerezuwigurakuteb.pdfIn PDF document text
- http://shreyaghoshal.com/konadnew/userfiles/file/36504242287.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210503121041498.pdfIn PDF document text
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/968a1184a16a82fae16ff6015863d25b/57730121112.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=macbook+really+slowPDF 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_off0000c2ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2FF | 10356 bytes |
SHA-256: bb1854423971ad1191c45ef573aa7e5bf7ea449dbd4b5c50eb4c870eb427027e |
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font_01_sfnt_off0000daac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f2be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BE | 16644 bytes |
SHA-256: 8b75716ac6bbca22ec3f37c1cd14468b4e878721f7233f3199a9947132b4f926 |
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