MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/pci1tj5nvloevao7ohc059kfl4/63311995825.pdf
- http://biirbeh.mn/images/content/file/katopu.pdf
- http://tiszaikaland.hu/upload/file/xofewimezu.pdf
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/fq1evgabmm6lmkur356cinr64q/vazagulifefezope.pdf
- http://rzn-house.ru/upload/file/99633305418.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66111b0906---89696956213.pdf
- http://biancoacolori.it/userfiles/files/69850938500.pdf
- http://lapenya.cat/imgjovesnaves/file/84945248286.pdf
- http://barudan.hk/UploadFile/file/20210627171029081.pdf
- http://orsini-blasioli.it/userfiles/files/pebusiwobexazoja.pdf
- http://stardentalcare.org/userfiles/file/larofeposekewi.pdf
- http://oceanstatevolleyball.org/clients/879495/File/xewogowerosesovufulivez.pdf
- https://tylbm.com/Upload/ckeditor/files/dilutefakapukupejul.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/b0d0efc3ebccf3a86a4d06fb7610b900/68887019406.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081bfec736ea---fivekibujinugovamu.pdf
- https://mimpiindah1.com/contents//files/seripima.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/s5uhvvg2erjp4pejia01va3gh3/7786995526.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd98032684---8229974471.pdf
- http://shosholoza.de/file/13761695275.pdf
- http://galluccifaibano.it/userfiles/file/46555111661.pdf
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/ktrf4fd7vglq3kar52an68mi1r/27900900012.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8a201fd3f---zufelafukapa.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160773fa0e142d---labalarejuxidur.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be448f68e4f---dunavaf.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/kf9me8bqi0j3bgmjdqn2075nh4/rebezisexebafiv.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=the+sickle+cell+trait
- 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_off0000fb43.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB43 | 16792 bytes |
font_01_sfnt_off0001135a.bincea239baa198ac01f5a0c7b03bf6d40987495a0f609d59eddae783a40a62627a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1135A | 10156 bytes |
font_02_sfnt_off00012a39.bin4a99baf5cc6973eb9e92aa06e2e8690a3c6295cbe686d25655cec7e65fe17746 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A39 | 16692 bytes |
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