MALICIOUS
146
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 on disposable domains, suggesting a phishing or malware distribution scheme. The 'SE_CALLBACK_LURE' heuristic further supports a social engineering pretext, likely to trick users into clicking the embedded malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://tourhong.com/FileData/ckfinder/files/20210903_603354F5A326BC77.pdf In PDF document text
- https://ijpdua.com/contents/files/jetitituxosibijilajajix.pdfIn PDF document text
- http://se-ty.com/uploads/userfiles/file/vadetunirawoxovojujapuzu.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ce9c1b2cb---mufaro.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210919_123644.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/67048707537.pdfIn PDF document text
- http://104408017.linker.tw/files/79217241593.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/78366936770.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/kibazisarurozimatufuvagaz.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/25923291758.pdfIn PDF document text
- https://middletonchambers.com/ckfinder/userfiles/files/jedomitag.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021091621071044.pdfIn PDF document text
- http://okgwa.net/50/files1/file/2117505135.pdfIn PDF document text
- http://areawifi.com/DESARROLLO/userfiles/files/relowab.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/81729609017.pdfIn PDF document text
- http://prompol.com/media/file/kudosotugobuxutagotejumak.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/jagawegarobobafi.pdfIn PDF document text
- http://24cvety.ru/upload/files/sitonif.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e25fc1af7c---12675738143.pdfIn PDF document text
- http://studiotecnicolamanna.com/userfiles/files/fenuvoba.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/kuzugawipunodenopujezojo.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/65554411930.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///202195103279759.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/99576237593.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=unblock+proxy+bayPDF 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_off0000ebe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE9 | 10332 bytes |
SHA-256: a9f1098fb795577bf19745679a07d97e9fdcdc5cfb5c2307c2772b8aaefa8130 |
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font_01_sfnt_off0001031e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031E | 17944 bytes |
SHA-256: dd660309afdff23a1693096b5f8ee4942c3c9c7a0501b2202cf01e030403e8bd |
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font_02_sfnt_off00013098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13098 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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