MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress upload storage, suggesting it's part of a campaign to distribute further malicious content. The presence of multiple URLs hosted on potentially disposable or compromised domains reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614ea9c311994---lagiwezisij.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/0tp4kpoub73i5ka2pbe01alun1/86992579885.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/161326a03abba5---jezul.pdf
- http://bftt.marketsearching.com/upload/files/tojoju.pdf
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/badewiri.pdf
- http://speaklifeiamgreatness.com/files/files/59403281201.pdf
- http://ldkxzzs.com/images/userfiles/file/nibijerebipod.pdf
- http://www.radio-kum.si/data/files/kuxunubatum.pdf
- http://gesundimjob.at/images/content/files/duderarumobomoton.pdf
- http://www.reeder.ee/files/filemanager/16018256528.pdf
- http://nepalbestcargo.com/userfiles/file/mezivol.pdf
- http://rivebistro.net/ckfinder/userfiles/files/tufosu.pdf
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/zisageniwewajirufigejepi.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/82c5feb94143017307c4d8b0ea32b3dc/4032623751.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f3a9e0bc8d---15456862318.pdf
- http://master-br.ru/img/file/62984595705.pdf
- http://jucal.es/images/file/zaxexonewuvuxiwepato.pdf
- http://www.impactit.in/ckfinder/userfiles/files/gobosasa.pdf
- http://stilistspb.online/public/files/uploads/files/sewivixoko.pdf
- http://winterwonderlandzundert.nl/uploadimages/files/nemuxavuzuxi.pdf
- https://kluchar.net/klucharnet/images/file/tabivusemosegodot.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=harry+potter+and+the+philosopher%27s+stone+epub+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_off0000ac39.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC39 | 16792 bytes |
font_01_sfnt_off0000c44b.bin8e190df06767c737a84d36d2ce7f83fe27f6fb98c5542443e747c803fb30db90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC44B | 14492 bytes |
font_02_sfnt_off0000e8b4.bin301a6d7ad4d4206d212e8b2489372ba176ab4530106a020f5813196c8fca88c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B4 | 10956 bytes |
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