MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised WordPress sites and other disposable hosting. Heuristics indicate this is a link farm designed to obscure the true destination, and ML classifiers and ClamAV strongly flag it as malicious. The primary attack pattern observed is the use of a link farm to direct users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/6408mt4t1us4n81bktg9laccjm/43260850903.pdf In PDF document text
- http://stringquartet.biz/web/images/fck/file/62775778370.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/43177638678.pdfIn PDF document text
- http://sheilahancock.net/blogfck/file/vonuzusozakupidojudesoduv.pdfIn PDF document text
- http://synergyproperty.com/images/files/18529271873.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/81835535561.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/0eu1a5nobrqv63oe4iqt8vndjp/4242919640.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109131020115483.pdfIn PDF document text
- http://designbeginnings.com/upload/file/farazefefo.pdfIn PDF document text
- http://massiimo.com/piceditor/file/34276986574.pdfIn PDF document text
- http://avandcie-energy.com/ckfinder/userfiles/files/belilejuv.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/vaxofupojemazigawoto.pdfIn PDF document text
- http://tnslib.su/userfiles/files/90647593929.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/43cd84183551ddc6f2623187f9aadf1c/44879464536.pdfIn PDF document text
- http://westfallassociates.com/documents/file/58366649965.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/0f9ff554e35b5b58c09e84a12de899ed/zowur.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/8ebf7d299440df0a2845d08402be769d/lilofemasoru.pdfIn PDF document text
- http://myredm.ru/uploads/file/36796371402.pdfIn PDF document text
- http://likebarcode.com/image/files/20210912_005540.pdfIn PDF document text
- http://www.yt333.com/userfiles/20210910/file/1631240287.pdfIn PDF document text
- http://poorclarescork.ie/images/9814678213.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109151714031883.pdfIn PDF document text
- http://szintai.hu/ckfinder/userfiles/files/88158515668.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/gukemogid.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/povewupesatagamutim.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/2246012095.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=words+with+q+and+b+in+themPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE857 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10069 | 22780 bytes |
SHA-256: 471b319165e2ad1c92a739c488164b528ef255434d18fc3b2bf30d50c688b3a3 |
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font_02_sfnt_off00013bd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD8 | 10832 bytes |
SHA-256: b13fc32443825fac4e70497d9602a95cd8443696b83f32b527cfae674a0a3918 |
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