MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised or disposable domains, suggesting a phishing or malware distribution campaign. The presence of link farms on these domains is a common tactic for evading detection and distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160909413044c5---56013230254.pdf In PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f3262d592---34377867596.pdfIn PDF document text
- https://truonggiangcompany.com/userfiles/file/45657152965.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7c0dd3f92---xogerum.pdfIn PDF document text
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/navagobo.pdfIn PDF document text
- https://gotamsui.com/ck_imgs/files/lelewegal.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/7otrptrqf7g2ghhg5dbh1li7j3/zefafoti.pdfIn PDF document text
- http://simonide.org/userfiles/file/rujufiru.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ce46fc82238---jaxivufiluxat.pdfIn PDF document text
- http://studiopol.it/userfiles/files/rimixaritab.pdfIn PDF document text
- http://andlupa.com/userfiles/file/83432354203.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d10814433---92094746756.pdfIn PDF document text
- http://ohappy.org/userData/board/file/76154620569.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f51534d3bcc---dipikuxilisat.pdfIn PDF document text
- http://wchs67.com/clients/f/fd/fd50fd9748f3592dabdfdad26f378f15/File/pefajobusuniwokos.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c230f6ec43---nonugurilup.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/5755c52f71bfdd1d3dfe6dabfb1e8f21/42499559904.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/99394554940.pdfIn PDF document text
- https://shipnhanh247.vn/asset/files/28176766809.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/e38d709e111b19e20690dd132e457b90/57047377312.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/gokovotizitufidaxavu.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/ruraxuga.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/78578fc9cbf13b4881301e6896d85e2f/bogudubo.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a3d830547---zurevetiroxoxakepekumi.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c047fda31ab---6111043109.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=como+preparar+pechugas+jugosas+al+hornoPDF 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_off0000f803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF803 | 10892 bytes |
SHA-256: e10eb4c6acee8d9c1f2904fc033e96805b54c88a925d00cf235ca8615a640378 |
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font_01_sfnt_off00011109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11109 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001291b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1291B | 17868 bytes |
SHA-256: 68850ffe111d0ad1080c0d587dd39d308db4a56f6e1f96cee554ee6574a679e5 |
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