MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests it functions as a link farm, likely to obscure the true destination or to appear as a legitimate resource. The embedded URLs, particularly the one hosted on amkboiler.com, are suspicious and likely serve as a lure to download a secondary payload. No scripts were extracted, but the overall structure points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ef93n45o8hf2i58rotdtkg8hn2/32633755494.pdf In PDF document text
- http://vkp.ru/upload/global/file/57873838118.pdfIn PDF document text
- http://3wsystems.com/shipinc/userfiles/files/52038114468.pdfIn PDF document text
- http://haliburtonhighlandsheritage.ca/userfiles/file/42864579447.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/wolerobobiworasemotige.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/vatuwinerimutugexexokazi.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/zumuxupomepuwezel.pdfIn PDF document text
- http://travelbilet.ru/sites/default/files/file/26110839908.pdfIn PDF document text
- https://nhanloc.net/userfiles/file/jujijuxisi.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/83321252540.pdfIn PDF document text
- http://0048.pl/48files/file/nujipezesixi.pdfIn PDF document text
- https://olterus.net/contents/files/gojoxukegesurimomogulad.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/jofonodolukevo.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/161418f750f46b---8193299925.pdfIn PDF document text
- http://centonze-vini.com/userfiles/files/38805177781.pdfIn PDF document text
- http://palletgoanloi.com/img-dn/files/92969309165.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/38464925962.pdfIn PDF document text
- https://bbox.ru/images/shared/file/bivijujobefadolorinoras.pdfIn PDF document text
- https://ladachess.ru/userfiles/file/janulixopozasaritigenadu.pdfIn PDF document text
- http://dhleisure.com/ckupload/files/jigufivutonudasumosinu.pdfIn PDF document text
- http://trubaopt.ru/content/file/81631204645.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/wetuxefefotopezudugobenu.pdfIn PDF document text
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/danitesesanixotokiwuxuko.pdfIn PDF document text
- https://fullprotec.com/ckfinder/userfiles/files/40871181953.pdfIn PDF document text
- https://fajanav.com/aym_image/files/2213011745.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=android+development+interview+questions+you+ll+most+likely+be+askedPDF 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_off0000c9fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FB | 11280 bytes |
SHA-256: 77f45004d5c939b85d4dcaf88c4636c21a4914e4239ff6dfe1046aca7fd336c3 |
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font_01_sfnt_off0000e418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE418 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2A | 16928 bytes |
SHA-256: d46026e2bc563dd550e9fd86c501fdb4da7b0f07455306f44d6d84dc4993269a |
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