MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to compromised CMS upload directories. These links likely serve as lures for phishing attacks or to distribute further malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/c3133790b22ec983f85ec8c39dd7e55e/pibow.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b0a0e51cf---32284009738.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/vc4brm2kv4ov7pk8ura6rvvsnn/vanimikes.pdf
- https://noventa.cz/media/files/file/mopovajebetobojuwavugap.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16081dd3f81ac6---89439305701.pdf
- http://ttccid.com/userfiles/file/39700380533.pdf
- http://tms-operation.com/upload/files/23943354108.pdf
- http://uniroll.pl/user_images/file/fikeperuzun.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae60a7db0f9---55164200805.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/9033f88e7d5094a0e0cfa7d3d1d4f79d/jizeparolakaxupitimuxin.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/bee218b6e38c84ad14c4d341d5f57cab/jukidoweterajox.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/53c8d8170c719647ff814d7630bfa0a5/90093510100.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b885f5c589---95675237293.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160bc783d80194---55768093154.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/7fd470eba643c149184e22d88c75fb4a/japorovav.pdf
- http://ressourcengarten.de/azubi/userfiles/files/zatiduxomoguvifid.pdf
- http://imhkayseri.com/resimler/files/85420000320.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/cn3cvjq8q8nqcbp9v1tt2blmh3/51292774608.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/e1683501cb39611810d80033599656cb/bugesokamopatazo.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/8ms1r728ch4pbmsfmtepfc6gg5/kesifepagubejalujibi.pdf
- https://pabrikangka.com/contents//files/xigapuju.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16081388395700---bagobozisa.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710cd072c7f---36418246193.pdf
- http://biomisszio.hu/tmp/30799377731.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b5cce9ae6---nifijasulosulewufakije.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=the+book+of+answers+carol+bolt+pdf+download
- 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_off0000c96c.bin3c58a6ea4572f9e52266b0b142d7b92c50b803f6332d9f6d54d5306ffa7f0c10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC96C | 10904 bytes |
font_01_sfnt_off0000e285.binbb6fd8ba0f75306ab0f4b73060abe069b2f3d07759b3cf91d533433bf39ec286 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE285 | 28016 bytes |
font_02_sfnt_off00011aff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AFF | 16792 bytes |
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