MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the structure and heuristics strongly indicate a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://e-fasteners.eu/media/file/54990416089.pdf In PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8490cefca---17600774493.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021052513385420.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/88489206448.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873e4e0a0ab---29974021949.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855d45421d9---70063074293.pdfIn PDF document text
- http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/34235193318.pdfIn PDF document text
- http://vienkiemis.lt/app/webroot/uploads/userfiles/files/53974937141.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/35io8v7jro172oba4lgq7u4690/mimilebukeferu.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/14753659250.pdfIn PDF document text
- https://euroroma-bg.org/files/file/giridakurumudulanifupifus.pdfIn PDF document text
- https://pelletier-tp.fr/ckfinder/userfiles/files/tatuvuzogasozubepudotupet.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/20615327156.pdfIn PDF document text
- http://alanaf.ru/userfiles/files/golagedanowinux.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/qs9tjdvi9p687g354ejdvu6ee1/11871299106.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609df3b406156---98763430737.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c31994c1778---vaxubigorinenowazuj.pdfIn PDF document text
- http://plastikacz.cz/soubory/files/8835294423.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbed2fc6484---67306507985.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/subanojudewem.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/warosez.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/qr80nodsa7dk5mdprd7k1f2foa/majezatinamuluzove.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/jajox.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cfd93cfa0---xuwexapovumakixof.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c605580f62---luvavinumesixiwasizuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=small+poem+for+sisterPDF 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_off0000e10f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10F | 17260 bytes |
SHA-256: 0a631533729da1e799007f53f48fc4e76b47910b02384378a9d73f70d712439c |
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font_01_sfnt_off00010e00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12617 | 10492 bytes |
SHA-256: 554c948f228566306fe79843e6cc1a1b30fe4c41cb83ecb10e364fc77f3442a8 |
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