MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites that appear to be compromised or disposable hosting. Heuristics indicate this is a link farm, a common technique for phishing or distributing further malware. The ClamAV detection and ML classifier strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://clinicaveterinariamontecchia.com/userfiles/files/84774982778.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608c621bcbab0---66296473616.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/d8b12c75ec9b77a281094212e20cc2a9/tinixinavaw.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/6ab48c209eb93b33c185b5e78ce0fa39/lorolabazuw.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49762b8240---44435899237.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/3575bad032317f4302b57ae5e5fbbe1e/1670083646.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/3f0f20dff81326bb731072af095c8d44/8002757688.pdf
- http://surmounttravel.com/userfiles/files/wimebuzifikot.pdf
- http://monroehighwildcats.com/clients/40160/File/jonakozodavuzovawijin.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/g41pfrehimfdp74p11fpqnbsk7/93926895899.pdf
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/7f5ec6732a8ef7db31dd364dfeb272db/72531271386.pdf
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/pmo9no089g78nq1l2trltt7t4c/53008121069.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/59b872fd4b14d5c7fe83ec868a2a30f5/12802048036.pdf
- http://bydnjl.com/userfiles/files/6399011741.pdf
- http://offerseir.com/basefile/offerseircom/files/bunokitosexiwimer.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0f5431cd7---74889962639.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b398d8bec0---taserixobilubiretusi.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c7f700ecf---9923216059.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e59780b6351---72012663280.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a1795e096c6---wufezan.pdf
- http://szpital-sulecin.pl/images/fckfiles/file/putifolazuwalo.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607f737c03f38---bimagafum.pdf
- https://moto-trend.cz/public/files/fck/file/60214568260.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/0e3s1ln7k91vjiran5btcmglnj/65508831819.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160aa593a3e104---wofonomadudejuzobigajiron.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091906be1a94---ziburovenogufutukozuj.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=latin+word+for+duck
- 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_off0000f251.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF251 | 16792 bytes |
font_01_sfnt_off00010a63.bin41ee8aa7e9e3e5378c71322a6d495cebba0c70dddfed2938fb6aa5d7ebd18a82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A63 | 18700 bytes |
font_02_sfnt_off00013a89.bin4547018d280a9343d7cc3a78f22fdcf8fbe5a1b0171bdef20e29fbcdf68b5d78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A89 | 10356 bytes |
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