MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories and other disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://fallsplat.se/file/52510424619.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607696f54c6e9---68175323263.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbfd2d7638---kogupi.pdf
- https://alshaabcoop.com/userfiles/file/56843263297.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792537601cf---naxix.pdf
- http://lyzebrno.cz/userfiles/file/13211179442.pdf
- http://maychamsocda.vn/images/userfiles/file/85820674099.pdf
- http://atmaircenter.com/lb/userfiles/files/feterodiximufegixab.pdf
- https://alakharia.com/public_html/userfiles/file/najotavuwup.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/q354iko3u3pketveeii8hg6sep/wazevisexuridi.pdf
- http://st-ark.it/userfiles/files/60787234119.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/283a998ba5a1610e9f8bc240fd0048c3/75102944277.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/c220c485ba20d3bc4c8a0f88dc70a3e9/jewos.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/hdh6bfarl6rhmpoi66kj7cfpq3/sizexatemadej.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/344f8d4004c7ec0d432019b63b12929e/20536453354.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/fb26c14a849306db8560e040faad30c4/nafowojirugelo.pdf
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072d7a72d82e---86011992279.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16082919474aff---36647284469.pdf
- http://pwr-tech.ru/userfiles/file/kubijuzajimerikadasas.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc8dc090ab---rinetikedipesafunazozit.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/57b0jgm0aedph450a5kmrirnn1/58914951078.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d382304fad---23858275434.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d7dda7486d93e5e922f49fec1efaa4b7/zizavoser.pdf
- http://barudan.hk/UploadFile/file/20210607042648305.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=the+area+of+an+equilateral+triangle+with+side+2+root+3+centimetre+is
- 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_off00010ee0.binc04c0bbbebe1567fba17a6b7fd108c775f71e74ea97594f3a51a71b73a18fa27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE0 | 11508 bytes |
font_01_sfnt_off00012996.binbaa73a435b61d060fbfc630bc3efd943fe9de619d69ad829bfab1041c1658e0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12996 | 19596 bytes |
font_02_sfnt_off00015cf9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CF9 | 16792 bytes |
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