MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, pointing to multiple compromised CMS upload directories. These links likely serve as lures to phishing sites or malware downloaders, aiming to trick users into clicking them.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160842cf51ae30---sibuwagasi.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ada7a29ac21---31468025482.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609863457e7a7---kuponefelebi.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/1524b97397e3bffec8568a471555ca99/zixez.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609541a0633b2---tebopupisaneduwenapaxave.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/0cc874b9ef50e8436070ef1a38df48ab/satosowagox.pdf
- https://securitydm.com/slicice/file/65555692780.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bbad0852783---81679952985.pdf
- http://symbioticlifetech.org/attfile/fckimg/file///2021051617911_96639030.pdf
- http://begemot-rus.com/uploadfiles/file/2021053005375773499.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/70883c9927c2193a3cc29c80281b7e86/27240637907.pdf
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093708e68208---71817146472.pdf
- http://animationcoach.com/userfiles/file/jalelegone.pdf
- https://dildendilecevirievi.com/upload/ckfinder/files/vogediwadulawelasigaxu.pdf
- http://greece-ex.com/images/blog//file/pusibubedamuwepe.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/7252dc69b03f513f61e4affd7e7642c5/wopoxarit.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b20ba30c7---kukuvaleroge.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fedbdb2ca---50161052622.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=grub+up+meaning
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e738.bin60c76436577fa4e5a00236bfbba7826017e772bf1e2ec7452b9cbfcbc0099893 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE738 | 17028 bytes |
font_01_sfnt_off00010003.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10003 | 16792 bytes |
font_02_sfnt_off0001181a.bin3e33814eab5391faaf8d6e2138e55bc7c13a40e9442f1834d2dfaee7f7c3339e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1181A | 10440 bytes |
font_03_sfnt_off00012f7f.bina56a2edfd499aedb672e89cd53d8de6f2d642026ebeb662d28858c2fbe125d3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F7F | 21544 bytes |
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