MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories. These links likely serve as lures to download further malicious content or redirect users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://synerhu.ru/uplcv?utm_term=gyro+sensitivity+for+android PDF link annotation
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139459eac887---polipafedusozumujibo.pdfIn PDF document text
- http://uralinteh.com/uploads/files/38802141500.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/26449673587.pdfIn PDF document text
- http://fusiongrup.ro/userfiles/file/bozipubosedavukoveda.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613f737b8b490---70938383177.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/libomumoporevatakawevud.pdfIn PDF document text
- http://h-st.nl/bestanden/files/vasafusenarojudezesulopo.pdfIn PDF document text
- http://licausi.it/userfiles/files/73917360030.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/161423902007e2---pomezolapujolenufijoj.pdfIn PDF document text
- http://golfvillageonline.com/userfiles/file/godogoxivag.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/roxevomegedesezadadutis.pdfIn PDF document text
- http://xn--lv0az70cxar.tw/uploads/files/202109091552487784.pdfIn PDF document text
- https://tumujerrusa.com/userfiles/tarurijemulerezirixonij.pdfIn PDF document text
- https://latework.cz/soubory/87256677362.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/c41be8621a1ba092a3d4fd9d9295cff3/11344087766.pdfIn PDF document text
- http://opuspoint.com/ckfinder/userfiles/files/97400195882.pdfIn PDF document text
- https://signatureshreyas.in/userfiles/file/94367300480.pdfIn PDF document text
- http://escrima-rlp.de/userfiles/file/21574926525.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/kowafonow.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/bavifevanim.pdfIn PDF document text
- https://csp-pub.com/stockages/files/66055455228.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/45891570358.pdfIn PDF document text
- 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_off0000dfd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD1 | 10520 bytes |
SHA-256: ba1b18ff64333be4378129ee6a58c5258854f014fad14b06bf3cf9c847f5337d |
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font_01_sfnt_off0000f7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FE | 18508 bytes |
SHA-256: 4d21c8cec1303e7505dfa19ccefd4f63d6cb50ffa4986d2b4b3ac57b86d413d6 |
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font_02_sfnt_off00012760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12760 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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