MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Static analysis revealed it functions as a link farm, with numerous embedded URLs pointing to various websites. Some of these URLs lead to compromised CMS upload directories or disposable hosting, indicating a likely attempt to lure users to malicious sites for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://huseyindurmuslar.com/images_upload/files/24561953923.pdf
- https://sfeerweter.nl/userfiles/files/21436270967.pdf
- https://mabuksusu.com/contents/files/87817393299.pdf
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/bagobilinoxojotonaxole.pdf
- http://cuboni.com/uploadfile/hong202109211500595287.pdf
- http://xn--h1acbpobggs.xn--p1ai/data/files/gonidadonupemifonizopomip.pdf
- https://techson-cctv.com/upload/file/87530878734.pdf
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/neguveniwubukavasituza.pdf
- https://hchoanglong.vn/userfiles/file/98593389019.pdf
- http://babyshelter.net/assets/upload/files/gazumivedalem.pdf
- http://bluestandard.pl/ckfinder/userfiles/files/nixitulazuzomipiz.pdf
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/dupotolidoxevazono.pdf
- https://floraplant.gr/FCKeditor/userimages/file/vewakurujofojebeloki.pdf
- http://jenistudio.com/upload/FCK/file/ribagadavejaz.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/68651db7f5fc5ba0e7157e2c5c1c7bd4/43894768468.pdf
- https://anukulagrotech.com/ci/userfiles/files/6550858460.pdf
- http://parilka.by/var/upload/file/1600859715.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/qnsf3fflo68vu29q97uhnnpsg5/jobowowerufumelopujizekod.pdf
- https://intekcanada.com/ckfinder/userfiles/files/jegavomazevawin.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/rkk3502gm64ghj691n0v62l8p2/kiraveke.pdf
- http://ebrinteractive.com/userfiles/file/wexinaxagenonux.pdf
- https://implantologie-deva.ro/app/webroot/files/userfiles/files/wesozis.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=what+is+the+largest+country+in+the+world+by+population
- https://tes-sys.com/uploads/ckfinder/files/20210920/16321140351031.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_off00010192.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10192 | 16792 bytes |
font_01_sfnt_off000119a9.bin40ffcf532105f8badb6aec04a531f9d702b5441bbc0febe73548c23fbff051a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A9 | 11224 bytes |
font_02_sfnt_off0001338e.bin05f1bea32f841ff1031021eb42a248576d54c19ccd052a4365cb6d3c49bb95d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1338E | 18100 bytes |
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