MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution scheme. The presence of numerous embedded URLs, some with UTM parameters, further supports the attack pattern of directing users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://teplospectr.ru/images/files/33848895514.pdf In PDF document text
- http://dinobajka.pl/Upload/file/16453713923.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/84cd371942b80a19620cccf1cb0ed36d/20055094993.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130420047ec1---18627509083.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/fofigemuves.pdfIn PDF document text
- http://matchonusa.com/uploads/files/nakiletorikomafupezibix.pdfIn PDF document text
- https://mots.alaxarxa.cat/cmsimple/images/file/jisetaxivalesadoxoj.pdfIn PDF document text
- http://hacsbathtarntaran.org/~/userfiles/file/sivuwiwi.pdfIn PDF document text
- https://tdfstore.it/file/20879029533.pdfIn PDF document text
- https://raovat72.vn/uploads/news_file/60968115347.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/59496626459.pdfIn PDF document text
- http://evergladesharvesting.com/ckfinder/userfiles/files/51004426134.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/45513331889.pdfIn PDF document text
- http://bioaec.com/userfiles/files/natam.pdfIn PDF document text
- https://markaoyun.com/calisma2/files/uploads/91315744225.pdfIn PDF document text
- http://ropesadventure.com/d/files/gizebepa.pdfIn PDF document text
- http://world-spa-resorts.com/dok/fulolubavovorapunula.pdfIn PDF document text
- http://krallarintavugu.com/upload/file/22643720666.pdfIn PDF document text
- https://slezanie.eu/userfiles/file/wokoteresewimuvuz.pdfIn PDF document text
- http://karlsbach.de/userfiles/files/73246444074.pdfIn PDF document text
- http://5m-tti.com/uploads/image/files/giwufevini.pdfIn PDF document text
- http://besttailor.info/ckfinder/userfiles/files/vuvipiro.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/wigudufirodurelirurovu.pdfIn PDF document text
- http://sinocelltech.com/filespath/files/20210918022450.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/9pmmqfu6sgas80r4e0pn2s566p/sowisupo.pdfIn PDF document text
- http://greensquares.in/userfiles/file///36507368399.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=quotes+that+show+boo+radley+is+a+mockingbirdPDF 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_off0000b1e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1E7 | 15100 bytes |
SHA-256: b2fe4bb0662b4817ee6ed19c5d1095fe65a545b197ca41a1aa159698f2cb5786 |
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font_01_sfnt_off0000d813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD813 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f02a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02A | 11408 bytes |
SHA-256: fd4d53a587c1bf79cbea6762e6f7efe4a65517f0db182f33ac7f7b6e4827cdcb |
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