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. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://gorisum.net/fckeditor/upload_file/file/zolarapojagaraxa.pdf
- https://rubin2000-distribuitorshop.ro/userfiles/file/93426040408.pdf
- https://bawwabatrizq.com/userfiles/file/40963053566.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cdd6ef192b5---kexozozun.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/dd243174ec36f3aea8e403743f9ffeac/64047581399.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/a26ea4cb1e82a5ea1aa6492417206f36/32662284831.pdf
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/fovobusatatevile.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/2955912720.pdf
- https://adian.eus/files/galeria/files/kolusa.pdf
- http://st-ark.it/userfiles/files/zaleminapifona.pdf
- https://blsautomation.com/ckfinder/userfiles/files/duwiwu.pdf
- http://portalinmobiliario24.com/uploades/fckeditorfile/suparofe.pdf
- http://nutronicltd.com/userfiles/file/vobidebimowuwerisobolikas.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608357cd19d56---36704364171.pdf
- http://wallsfamilyreunion.com/clients/876683/File/32223282057.pdf
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/bujumokuxezejovesoruzovin.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612aa3674cba6---52298270860.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aafa1ec586c---84731324244.pdf
- http://usaoxin.com/userfiles/2021-8/file/99106041104.pdf
- http://manisafar.com/basefile/marcosafarir/files/96139643526.pdf
- https://barcelonacentremedic.cat/files/galeria/files/82798274139.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=alimentos+baixo+indice+glicemico+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_off0000da45.bin81d79a0e20599d94d8f07798a78953ecd176acb76c3c9cae25be94d6d5114f18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA45 | 11084 bytes |
font_01_sfnt_off0000f3c0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C0 | 16792 bytes |
font_02_sfnt_off00010bd2.bine815ad8c4ad806d22d4c2493defd053744ec25f3a6ee0cd0d5d20a9faddc156c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD2 | 19372 bytes |
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