MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, likely serving as a link farm to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically a phishing or trojan distribution campaign. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with attempts to redirect users to malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
Heuristics 7
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a79bea4d7---wipizafuzokarevitije.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b37a4161130---7037481036.pdf
- https://ambulatorioveterinariosismondi.eu/file/26298682674.pdf
- https://aimara-bg.com/userfiles/file/vilitumozadakexa.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/72ecebc7fa4356e820522bb602af397f/wusijetovubakaruf.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7784295f3---sovivavubejuw.pdf
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/kum082e9pspuo5ubn8unn3jber/45450012582.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf2b30189e5---43235727949.pdf
- http://szyldkj.com/luodan/images/userfiles/file/89416438772.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccef51d383---zojadumivibozotira.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6b8faba3f---kutepojolokozibibidi.pdf
- http://nova-auto.com/upload/76102711480.pdf
- http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/e299207d0c98ba7dd723c96c5120fbf5/25000736651.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/6b15cccd1f9c9ec9566742ec4f6d9d73/popuziputigavute.pdf
- http://cutencuddlybreedables.com/_images/file/61577894874.pdf
- http://tulga.ru/editor/files/tibilisuzukadirok.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/eaafda6940102eba87f67c7da33a3dc6/43668554843.pdf
- https://underworldgear.com/upload/users/files/losuwef.pdf
- http://rideco.hu/upload/file/17162601071.pdf
- https://blugarden.eu/file/66153442519.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083968b178a3---gewizidak.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/3rn1gbl3ukpb9d0sujei2judbs/62719373220.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/fe2060bd6e67d7788998f7de5ec51df9/povajemefonowezogij.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/efc5d0ac0fd8ba1d34aabf5465011d8d/dibal.pdf
- https://maisonforville.be/documents/file/78488259518.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=the+sphere+of+silence+pdf
- 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_off0000de40.bince59b7375f3d2145ded32dd06b5b5f4d3ad957bca84fa2493a5b60f10c726c29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE40 | 10420 bytes |
font_01_sfnt_off0000f5b5.bin3c701f161640978b4ac51f318a41994c55bf5f1a443659ad20f9e0160d334d0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B5 | 16816 bytes |
font_02_sfnt_off00012159.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12159 | 16792 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.