MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm or phishing lure. The presence of these URLs and the heuristic findings suggest an attempt to redirect users to malicious content, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160857aea1a2cc---xiraseneb.pdf In PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6ba69071f---15688947213.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a3c777f18---24099334481.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad039ab871a---66522468668.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021060616501373499.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///liropobanekufiforaru.pdfIn PDF document text
- http://hindel-relax.ch/ckfinder/userfiles/files/betukoravoxarebaburuj.pdfIn PDF document text
- https://www.retake.dk/ckfinder/userfiles/files/24363913832.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/0d711e508d4b1ee1bb3d386588391f3d/61827892016.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/depube.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/4f4ffe75220798d7047c45ee1f64eb97/32657707990.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/kamufukewejeguju.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/2f1926fb13ae1be6dccfa34924eb892a/68303632660.pdfIn PDF document text
- http://teraval.cz/res/file/50108844551.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/u04g2bd7g2g6rv2gqkcon155h2/bamarim.pdfIn PDF document text
- http://berrybucs1973.com/clients/3/3a/3a2d6910be1067feaf6dc79f90d505e0/File/3238125689.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/96d8ae2f5d0ccb3992b1e44e81101ace/mubezusafexaxedebex.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e6d0bc9d249---18390775347.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/rubariwedewutupezunam.pdfIn PDF document text
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/f03co32cbfie6t3ueh9pk9vhff/budewawirinafiluvawepos.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/8e8f6366af6e67e84799658068e2f288/bekomebiwuk.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6ee386bb3---3374538735.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/bijojaj.pdfIn PDF document text
- http://professional-tuner.at/uploaded/file/lawaxul.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=is+there+a+way+to+view+private+instagram+without+surveyPDF 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_off0000f02c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02C | 10968 bytes |
SHA-256: 371bd879fab14d4b837efa6df080c7b165f99abd7cd03162b90e97a1227b6135 |
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font_01_sfnt_off00010998.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10998 | 16916 bytes |
SHA-256: 3f17bb5d5dd5807b88148ff687ee33abc206660b7c68a4e9834390845101e660 |
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font_02_sfnt_off000135c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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