MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to potentially compromised WordPress sites. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document's structure and embedded URLs suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9790
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://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0a1b806c1---fagafazubuzed.pdf
- http://urbanconstructions.org/images/uploadedimages/file/2762167790.pdf
- http://luberoff.com/userfiles/file/53753116904.pdf
- http://fw-simple.com/uploads/files/vitunomafu.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/266811ccc199b0f454f3d5ce9972d2f9/64114541537.pdf
- https://belhasasecurity.com/userfiles/file/nulekenoxi.pdf
- https://groupunsur4.com/contents//files/25403209272.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160910e4354f52---sosapukidiwex.pdf
- https://hasekei.jp/userfiles/file/fozafakabenotop.pdf
- http://ahkjt.com/upfile/file/wuxiguwiv.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a31ecd842fa---83865291186.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4d1eb9531---79153134039.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608cda8cd3e2f---vawinoririvudug.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/jkndb5tiba7kn28ml6ehja9f63/gipixunazikodados.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/003fef3ff4bb0a10b9eeaf3ce06702dc/14675683714.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/fl1n16iugvb098vccn1ikd13um/70761841422.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/84f4ded858b2cce9b22129f364baf35b/rasezuwitesoxiluxatozakot.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf9e386506---7637428161.pdf
- https://ags-car.com/upload/files/judimekasoxofajevan.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/2decc19e8dfee4d0cfe2f955c11c926a/86014864348.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/0470d5b70f886735688f3df1b65124df/sibupugurowes.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b7e772a12e9---8749540351.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e249abf0a---88695944528.pdf
- https://contabil-fiscal.ro/mm/file/66266686445.pdf
- http://nextgenship.net/upload/file/20210619162406509296.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/128b31369732a0f159d915731f7b420b/64161659115.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=ring+on+thumb+finger+meaning
- 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_off00012986.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12986 | 16792 bytes |
font_01_sfnt_off0001419d.bin82bd4c39005de532e34be21d6930aa53058b202d8fe7bf6cbface66ebb92e454 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1419D | 10732 bytes |
font_02_sfnt_off00015a07.binaea9c8de862af7042dd948c19658d78cd4b36c9cb60cee2b11a32ca4d2cdb130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A07 | 20696 bytes |
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