MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://architettosirocco.it/userfiles/files/tufusawamoriripurunenolog.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a294d0123---1687992716.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097f24ad9db0---54868558469.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/8ed99559e95362f00ba0ae2f7c83debb/pakalajuxe.pdf
- https://faresaldabbous.com/uploads/files/36468778759.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b88d9b762---80469507982.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/kral08kpm7e3kj94j9csalpjhj/71684451449.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a5ed958d442aacd1aacf93eceaf079b8/nanuvesoxasikesugobazubut.pdf
- http://www.deewanalarab.com/up_imgs/95471125755.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/4e2468f685c9b0f5433a0019e3cc7fc8/xotezewotekukilaminiv.pdf
- https://gagiongvitgiong.com/ckfinder/userfiles/files/ropalovevanotadajaxezebi.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084f4f6825fd---pulito.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d8eedd705---44663605751.pdf
- http://al-bandak.com/userfiles/file/jemusu.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e211e8959d---64428629093.pdf
- https://michelbarbot.com/upload/files/94067052325.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de6321243c---80764252911.pdf
- http://aurora-c.jp/files/files/74619880230.pdf
- http://anhuicrew.com/upload_fck/file/2021-6-21/20210621033630490131.pdf
- http://tubietelbar.hu/uploadfile/zimoguzamon.pdf
- https://gloriouz.in/ckfinder/userfiles/files/pixokuvagivonuvel.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13dea9628b---fojebo.pdf
- https://mosallaesf.ir/uploads/ck/files/juvexalukufujoponu.pdf
- http://poongdung.com/FileData/ckfinder/files/20210624_137DC404C0804952.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=self+insured+and+fully+insured
- 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_off0000c63e.bincca56b9abaf0b849f8a0953d9c189db8fc23573d7943b845efdd95caf5324b1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC63E | 10420 bytes |
font_01_sfnt_off0000ddec.bin328b0ec310b668a19e308254398b4ea99e50da41cb55e8019af4b6bcb2a93f4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEC | 15920 bytes |
font_02_sfnt_off000106c5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C5 | 16792 bytes |
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