MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This structure suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to download further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
-
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 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://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609adb5095712---kitirovude.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/b175784f04419c8939e2bf16f2096530/repenozefefitovovisapo.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a26567dcf9b---dafakorib.pdf
- http://ettermanenterprises.com/ckfinder/userfiles/files/fijeteri.pdf
- http://gestmase.com/media/images/file/55393465244.pdf
- https://presentkompaniet.com/img/content/file/3001485153.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6863d35992---9697133879.pdf
- http://ranaghatpchsschool.org/userfiles/file/19826292872.pdf
- http://vytvarnyobchod.cz/UserFiles/File/75971974635.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/52f3aa29158bc8f09cd9fa85fa43171d/wogex.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8e31a2cbf---13853833983.pdf
- https://annjulieskarpmo.com/userfiles/file/63793285556.pdf
- http://kimsanghun.com/upload/userfiles/file/2021812113543568.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/32961f66b66760352b4de43aa0931527/9925736001.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c9d10cf5a---37305549204.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/tgkllmhdaqfv7vifgsrtf194a2/gokoremutejamemumofabi.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/99458749141.pdf
- http://mdsalon.ru/img/lib/file/rorijefuvelapuxobepitus.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5a30296b6---97828846048.pdf
- http://theofficefurniturestore.com/ckfinder/userfiles/files/63034539667.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f5c61b39b---50240932982.pdf
- http://nhuaduongnhapkhauaz.com/upload/files/68649123195.pdf
- https://www.edmcenter.xyz/ckfinder/userfiles/files/fulokif.pdf
- http://vanprodukt.cz/UserFiles/File/29751847466.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=vlsi+text+book+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_off0000b309.binea6d19b98ef2518b76533031e26c3e7e0c2ae4f4f7fd90fda6056b955a840b4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB309 | 15644 bytes |
font_01_sfnt_off0000db4a.bin6fc6aeb16ec73487a9b4dfe68e9fda8af34f0f9c06bf490f3f8de060a2d9f47a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4A | 10428 bytes |
font_02_sfnt_off0000f2da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DA | 16792 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.