MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ctyrkolky-gamax.cz/data/dokumenty/81311363438.pdf In PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/rcvv26oc7oktqronmprba64o95/jetabakadesogodop.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e05cd5720---babetuxijanojik.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/82bd63d0035418257c36261b9e64be7a/wedapupawegumalobudur.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/64560806406.pdfIn PDF document text
- http://wingmanresearch.com/userfiles/files/miwaladofojurun.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/f704d4d7ba57f42cf2624def5be4186d/21343745661.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/3a9a5cc40ec19a729085411db7017006/rinixelegido.pdfIn PDF document text
- http://air-ned.com/uploads/files/72298809443.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608720a70fc5d---17682162632.pdfIn PDF document text
- http://girisimcilikproje.com/resimler/files/57617605597.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/2263673735.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc43ec20fd---5900650486.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/87255992472.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16083cca0024f5---fapad.pdfIn PDF document text
- http://www.contectrade.hu/fckfiles/file/71762463081.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1d90b4f2a---lowunag.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d1beb40d58f---wapononuxe.pdfIn PDF document text
- http://954move.com/clients/4890/File/sadererisasekoretiwobex.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eead855d2d---memivasamujuvonujivu.pdfIn PDF document text
- https://tongdaidoanhnghiep.com/app/webroot/upload/files/56802336055.pdfIn PDF document text
- http://artospace.com/pics/file/zekisevog.pdfIn PDF document text
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/2ae4b54efbace72cc9b1c8bc557a6a9f/21884654599.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd0e79346e---69656730574.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+export+certain+pages+from+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_off0000f048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF048 | 18100 bytes |
SHA-256: b5e8e9a6ff08f0eb947200790c704b97ef2d6a8bcb5fe2a9110500a5c2900ea9 |
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font_01_sfnt_off0001200b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013822.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13822 | 11096 bytes |
SHA-256: 5f49d2ba464b04d0a63f7c5e45f427e3341fdd2d4899b1f1865abe1a24f9d7ed |
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