MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable domains. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://btcauction.vn/hinhanh/file/rukijidevataguwumezewigi.pdf In PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/6bb3463be221088beb91ec099c5f17ac/dibarinuvozobenixij.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1608b85b22666c---gazavezegegupok.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/84629662184.pdfIn PDF document text
- https://ph2020.org/FCKeditor/file/debikokalogipimavaguda.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/4fb532452088aa8b7d1d0a98d23495a3/dukavowadurupifabop.pdfIn PDF document text
- http://luyenthidhcanhsat.com/Images_upload/files/nusanazutesijabiri.pdfIn PDF document text
- http://furniture83.com/upload/files/sozosol.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/0bl1dsd62cjg4vbol51p1tnigd/17783255319.pdfIn PDF document text
- http://campbellelectronics.com/uploads/9251221387.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f035c5456---37240816404.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/nevegove.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/34392349ae2ded8fd0c4c76858f1f943/puzepivitapejuwoli.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160d90a6267fe5---sewizibafepawosugokozar.pdfIn PDF document text
- http://marinapogon.pl/upload/file/36786296327.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/ntb59mpfsfi0l1n45eumq2g79h/pigelerijomitefu.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160ba324dd5d65---72424516217.pdfIn PDF document text
- http://sfera-vlad.ru/img/file/rovajafepukawolulibab.pdfIn PDF document text
- http://songpinhao.com/userfiles/files/dalobosipeza.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160821ee41c1a7---87049053083.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/1babd6dd9733e26b1afeb2b19eb152f4/mefif.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3be306de0d---varubupixukex.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb52578ce9d---temutofuwawez.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=words+their+way+primary+spelling+inventory+feature+guidePDF 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_off0000ee7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10693 | 11304 bytes |
SHA-256: 5cd7df0b60b894d745e3d6ca8a842b1ff845da62098845b4bd4b5d9a6ce8dae3 |
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font_02_sfnt_off000120d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D1 | 16736 bytes |
SHA-256: ef3a1f52fef321af2bbbb09e0834d694f6becc7c03dcb23175c21dc5ccd0ab5a |
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