MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve to distribute phishing content or download further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9117b74aa4---gosemotodim.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4eec575101---64645809602.pdf
- http://www.look4job.gr/images/_user_na/file/zikumogebinivuwa.pdf
- http://web68s.com/upload/files/toloduposilidobolapep.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/228265b653b9f26fc904fd3fde092730/34975886624.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/9dab7090fda90e030a6577fd23afe95c/46900004592.pdf
- https://harom.ro/files/file/68805342973.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/k95n73s8ffckccgbpfcisq3185/doruzonifumipesi.pdf
- https://bilalyapidekorasyon.com/userfiles/file/59055411714.pdf
- https://rijst.nu/userfiles/file/mudufipulufa.pdf
- http://noahjohnsonsark.com/clients/e/ef/ef24418f2336b9480f3353ee42fa3f58/File/57896528627.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c14a2dc9459---mapexuwe.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/cb00d5edd98e2de6f55a1f858b6bdb4e/fedoxivopi.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/mrr3b4a61706cqc51rhdc76nt5/bizawexo.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098404fbf5f0---zuxorujefowepolasaja.pdf
- http://kasintorn.com/images/upload/files/23566094871.pdf
- https://rumusjitu.com/contents//files/84399538141.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/uhdgrto0tl3frt2mhac9mm7ich/lasixikenisolewikabikezuv.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160876ef475f10---21284003595.pdf
- https://etonbio.com/newsLetters/images/file/nekukemumowibuxabaru.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc8510cc0c---kiwafogefawubirakaxutubas.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/bce6bfeb4053377284f40c237792bc00/7178697331.pdf
- http://waukeganeast1980.com/clients/877304/File/refibagawozuvur.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=dimensions+of+a+standard+bedroom
- 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_off0000f79b.bin23287129cd6e9ab21696e94f6aa715e9cf7d60684b1062fd5a9f034ae1059dcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79B | 17108 bytes |
font_01_sfnt_off0001244d.bind5585a1a25535fe59bfeb18801f5d5a40d8b5efcd715afcd10ade2308ee803df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1244D | 10608 bytes |
font_02_sfnt_off00013c89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C89 | 16792 bytes |
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