MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The presence of embedded JavaScript, though not fully analyzed due to obfuscation, likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ae3dea16a---saporo.pdf
- https://tortugafilms.ca/adminfiles/file/titejuradijotekipazam.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/17a58f8df991ca48cc706848907972b8/jafonitose.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/2111a56a5ba13c66909b53f98446c51b/reroxopimoraso.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/5006fcd8f9a6dc632e73f2bf8c2471c5/kawunobafenumokediveb.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/e8f79a22c33e1d89945b7d581477b0fc/wapenisovuliwisakif.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f5d233103---tegipomekutipab.pdf
- http://hglobaltour.com/FileData/ckfinder/files/20210604_0F77C63E4E14865A.pdf
- http://playitdirect.ca/ckfinder/uploadfiles/files/gupejifugokulavirev.pdf
- https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/e088894981305d9dcd230c7575de5fd8/puvagixodulanira.pdf
- https://ascinfratech.com/clientprojects/trading/file/rojosefejogi.pdf
- https://ekransamara.ru/files/98280563157.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607080cd58b15---63004682767.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16070a29b52293---4271269374.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/f0ccd9d90610247a9381ef01e5345ba8/meforinadijusuf.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a01e56f10c---vefosejozulodotupap.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/j7846j05ki1m3homvfg28kdv32/putagawuberinunava.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cccd2e877d---ranumuruwusewebid.pdf
- http://ottotech.center/userfiles/file/xitisutegerusitobofogo.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/bdgonjtfkvc060vlth7opr6lu7/fekodinadijovonuro.pdf
- http://kfbi.ru/content/file/fekeravilumalifuno.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/cf793d3b4820725c97cc6924b9d46b35/71457497847.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=my+heart+will+go+on+violin+chords
- 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_off0000dff5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF5 | 16792 bytes |
font_01_sfnt_off0000f80c.bin9f6424a773847a9654eac19685053c7d1d3e1aef317929f36b48794d5efc2f55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80C | 10908 bytes |
font_02_sfnt_off0001111f.bin758a1e8f747634c5dfb51e36f16cabfa221b9fbff9b5825b4baf491b421aa097 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1111F | 19268 bytes |
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