MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to PDF files on different domains, indicating a link farm. One heuristic specifically flags it as a 'PDF_SEO_DISPOSABLE_LINK_FARM'. The presence of these links suggests the primary purpose is to direct users to external content, potentially for SEO manipulation or to serve as a distribution point for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://tks-forever.com/upload/2021/09/04/file/viwexikiganon.pdf In PDF document text
- http://gowowdeli.com/uploads/files/94380709140.pdfIn PDF document text
- http://architettotoma.it/userfiles/files/55820954820.pdfIn PDF document text
- http://www.tramag.pl/upload/file/bulizafanubu.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/zomitevigodanenelari.pdfIn PDF document text
- https://itchanoi.vn/uploads/news_file/49547121819.pdfIn PDF document text
- http://phuongsen.com/img-chamthi/files/vobedemep.pdfIn PDF document text
- https://artcorner-fiberglass.com/userfiles/files/fonesimirepogepi.pdfIn PDF document text
- http://www.mustwalge.ee/data/content/files/97055707332.pdfIn PDF document text
- https://cevhertemizlik.com/userfiles/files/gesafegujuletojasije.pdfIn PDF document text
- https://opsclown.it/ckfinder/userfiles/files/34685280428.pdfIn PDF document text
- https://malabarmail.com/ckfinder/userfiles/files/51972877432.pdfIn PDF document text
- http://panel2conso.com/userfiles/file/53615114750.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/30465786374.pdfIn PDF document text
- http://a1climbing.com/userfiles/files/48961265748.pdfIn PDF document text
- http://falconltd.pl/cache/file/zofunelalufiwariganeziv.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/17247360407.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/29455578707.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/93868177459.pdfIn PDF document text
- http://alburigiott.it/userfiles/files/73691576360.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbe616a0a3---80900720215.pdfIn PDF document text
- https://www.gico.ge/ckfinder/userfiles/files/forurof.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/fitakikoxotu.pdfIn PDF document text
- http://tourister.kr/userfiles/file/6610316168.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=tiny+troopers+mod+apkPDF 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_off0000aeb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB5 | 10676 bytes |
SHA-256: 4b012182d66362c5d015adbd863a631ebe538506f7aa41852db085c0ab7dd496 |
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font_01_sfnt_off0000c742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC742 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF54 | 15508 bytes |
SHA-256: 94efdf90e8ec498c2a441c4df307ea8f3a0b9d301277ace5fc2ff8662ec43889 |
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