MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple domains, some of which are hosted on compromised CMS platforms. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a secondary payload. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ural-resyrs.ru/data/file/lopefelemezuvasunajup.pdf In PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8569a364de---redibuxozepewasupijat.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/91067150598.pdfIn PDF document text
- http://safarekhoob.ir/basefile/safarekhoobir/files/50729214735.pdfIn PDF document text
- http://picassogift.com/Uploadfiles/files/49072977575.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/9429814807.pdfIn PDF document text
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/vaxiriwasufasukuxejase.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/8f3f4ac66a78307a6a7196ea11b97b8b/xiboxok.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/76281988554.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/vedufude.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b29f7c40717---giresavukaruwikexose.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/38017656931.pdfIn PDF document text
- http://mg001.cn/upload_fck/file/2021-7-1/20210701033609266618.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/bf8d1c41d2a8ce339001bdf899bd8f17/rasuguwutovasas.pdfIn PDF document text
- http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/45440486855.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/9a708dbc9919a9426d8dd09e20ec497e/61658556544.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/5616a41ede9c6bd2297fb3bae5137208/zopevizige.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bde0601cd05---67189278775.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/38234b2b5546dcf8c8482d5e05985462/sugolutokinovowikobokuf.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/lud55imcddph314tq9p5oftvmd/rabukujeladabitezufased.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dba28c053f8---xunigogoka.pdfIn PDF document text
- http://midel.me/userfiles/file/38907986080.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/liseketaferevurimexoji.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202152720088345.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/67977599749.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610100d70ea50---8817899375.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mec%C3%A1nica+de+materiales+beer+johnston+5ta+edici%C3%B3n+pdf+onlinePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA28 | 18996 bytes |
SHA-256: b366088a007c505ee4342bc710ec550e55032b75a16d3ba444112cf2dbca91fc |
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font_01_sfnt_off00012ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AD1 | 11600 bytes |
SHA-256: aa6b96fe2f7bd84746ed3cd214f3cda04acf18616d19f75e56475c2d2c1bdb3f |
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font_02_sfnt_off00014541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14541 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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