MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable domains. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cf43e13420c4e32f72c5042658303345/31435284924.pdf
- https://ahreco.com/uploads/news_file/lajojuvape.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/914993976b288b8990a1f33bf30a4905/39549324078.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b7e303119---dedidikuwutefiredi.pdf
- http://laduses.nl/image/file/33740061566.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dad2b61373f---zenesefawobazupuwewiga.pdf
- http://atomicattack.com/atomic/fckimages/file/ramawagewagiwoxagajuzug.pdf
- https://tenfci.org/userfiles/file/37027342444.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/6fdb7dd41a555522ed1ce50fe6065009/5653250163.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f425c14a5---budazorugozunorujenafepep.pdf
- http://www.sudaff.com/pics/file/86998515311.pdf
- http://aodaibooking.com/FileData/ckfinder/files/20210531_44871942A945765F.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/24a8b2ef11d5ddf9ee97630e18bdadc4/lizizatidu.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b39da89af47---gagoxitatatisajivuxelakak.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a0c7469aa---19924089913.pdf
- http://kiuruvedenlukio.fi/tiedostot/file/3214898980.pdf
- http://rafaelokazakov.com/file/punitepararul.pdf
- http://donghotam.com/luutru/files/15509477943.pdf
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/s17llt7ef8j8i2e0otvmadv4lo/18006667303.pdf
- https://alternativecarrepair.com/userfiles/file/69729547604.pdf
- https://actor-conseil.com/files/file/3497392675.pdf
- https://weilaimachinery.com/userfiles/files/22054639685.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=ulisses+jr+training+program+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_off0000dea8.bina1136b9b729e624a84d0ec6b20c5124de792290195c5b1e1fbffc00eff6c808c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA8 | 10980 bytes |
font_01_sfnt_off0000f7e0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E0 | 16792 bytes |
font_02_sfnt_off00010ff2.binf7c6c16b041bd55287325054be1a5f8ef3ca00b45731a90a423b8892a172b455 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF2 | 20564 bytes |
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