MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous URLs hosted on compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of external URIs and the nature of the links suggest a phishing or malware delivery scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943c344c23f---kifawidumoxaregebevupel.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a44ea1b8bfa---fulagazuvevirefimu.pdf
- https://sbsoftware.ro/admin/userfiles/file/28026668396.pdf
- http://absolutelyneon.com/userfiles/file/3732064917.pdf
- http://hosungtour.net/FileData/ckfinder/files/20210619_3B49E9FCC523DB2B.pdf
- https://actaviaserica.org/board/file/files/garanowokugakimokox.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608a39c700ec4---80127246781.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9f07e572e---183016934.pdf
- http://infinijewelry.com/userfiles/file/90339242467.pdf
- https://annjulieskarpmo.com/userfiles/file/34171577373.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/cef71a5f076f7248b0b5d2fa5ac49682/xulelilidopemilizodumil.pdf
- http://interno-kazan.ru/upload/files/zogedulurere.pdf
- https://ozmutludokum.com/userfiles/file/69872095134.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/20771955066.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/fd40beab51ad858196f4b24847db7694/suwukavopofem.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b50cd35e7d---70758605718.pdf
- http://beautybybelief.com/admin/images/file/20710825981.pdf
- http://bobmeetin.com/media/galleries/files/fefijoxudaxagesosulumuwe.pdf
- http://thepokewave.com/uploads/files/femev.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1cf656e2e---19278175559.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16089714160565---49442984441.pdf
- http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/lifotudukoka.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6731acd3e7---79297550148.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160953262e7a24---12103432207.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=example+lab+report+biology
- 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_off00013ddb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DDB | 16792 bytes |
font_01_sfnt_off000155ed.bin59c6cbfaf638ae110e81e334a269e2cfa5fa606e9c6d5707901db2cd5a6f6a83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155ED | 18132 bytes |
font_02_sfnt_off000185aa.bin1ab7c1be47687f8fd62e588259b022c1662cd5d9a604cfc97ff6d3dd627a72a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185AA | 10664 bytes |
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