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 a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress upload directories. These links likely serve as a lure to redirect users to malicious sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/qsntouiu80g1fqon77devcn0h2/liwewovadapipuzivuwolotu.pdf In PDF document text
- http://arslanemlak.come/file/wipavudija.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/56096991879.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/72666824539.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/9415213361.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c77ba074ec---jodazerolozebajebu.pdfIn PDF document text
- http://abeess.com/userfiles/file/rukilerapagisozelu.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4c8ef2737---befudoxafuripeduv.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d53e8ec40e4cdc393d256dc0a048abac/97463221028.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/15697097350.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/40043170956.pdfIn PDF document text
- https://siroyensao.com/upload/files/rinavebez.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/rejefubapo.pdfIn PDF document text
- http://mcutech.net/upload/2021/06/file/16232003882136108624.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/lujawi.pdfIn PDF document text
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/0vman4hgtcjb154nnlbruuge8n/19713798351.pdfIn PDF document text
- http://weymouthhighschool1960.com/clients/9/96/9679770cb43d952edac6f872f7aef95c/File/82885272897.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bc7c65c5d---jebavitubuferudi.pdfIn PDF document text
- http://kardelendalgicpompa.com/uploadfiles/file/gibevavesanepesesuzidogop.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99a64eff7---mirazivakokijudibaguje.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=draw+an+er+diagram+for+university+database+by+considering+at+least+5+entitiesPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE651 | 11460 bytes |
SHA-256: a53d5bdc10ef95fff96a40910e8a36b43852654d83aff998dce5a178d0a0beb7 |
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font_01_sfnt_off00010151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10151 | 16944 bytes |
SHA-256: 4d88e3cd36702ba7c34915be43358af3842a7e9d9ea2a99637ef1ff9c849a6c2 |
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font_02_sfnt_off00012d4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001455a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1455A | 1692 bytes |
SHA-256: 6df00093d1a1fd8b8f95901b42ba2863538c90606311dd4adf1993a433792d13 |
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