MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs pointing to a link farm hosted on disposable domains, a common tactic for phishing or malware distribution. The heuristics indicate a lure involving QR codes and callback phishing, suggesting an attempt to trick users into interacting with malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://01host.ru/userfiles/files/buluduvolesobosutavijus.pdf In PDF document text
- http://oxigensupplies.com/shipinc/userfiles/files/63413004117.pdfIn PDF document text
- https://adeptos.clevercloud.pt/images/items/files/11194941833.pdfIn PDF document text
- https://selispin.com/calisma2/files/uploads/boruzafigakuzapika.pdfIn PDF document text
- http://szguilong.com/userfiles/files/991897404.pdfIn PDF document text
- https://rewaqousha.net/userfiles/files/3813873650.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/tuzadovifuduwazejanijata.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/vabox.pdfIn PDF document text
- http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94928000719.pdfIn PDF document text
- https://loffoxfitness.mvwebsolution.com/userfiles/files/duturires.pdfIn PDF document text
- https://www.nvsrolko.org/ckfinder/userfiles/files/bopivuvixuxad.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a447d2bee---lefobogosigipegu.pdfIn PDF document text
- http://ybshajiang.com/userfiles/file/2021-09-12/210912230659510557aspesbg3o1xg.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/7352049741.pdfIn PDF document text
- http://studiobaldizzone.com/userfiles/files/powegubowosanevanis.pdfIn PDF document text
- http://dealershop.es/userfiles/file/lixokemolow.pdfIn PDF document text
- http://anticacarsulaeborzoi.eu/userfiles/files/72839119596.pdfIn PDF document text
- http://arkystudio.eu/userfiles/files/6771675820.pdfIn PDF document text
- http://ticaproduce.com/ckfinder/userfiles/files/40702344760.pdfIn PDF document text
- https://oferta.lt/i/File/31679923260.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/zibowazuduv.pdfIn PDF document text
- http://ilturismoinitalia.it/userfiles/files/suvetirezatoze.pdfIn PDF document text
- http://01host.ru/userfiles/files/fidigofagirebaf.pdfIn PDF document text
- https://literie-depot.fr/UserFiles/file/9046023547.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=qr+code+iphone+4sPDF 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_off0000d7b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC5 | 19384 bytes |
SHA-256: 957d54f0b20a56de17b83cf75dcb56b5ceeff882de9de8a755e40a2b0e3f0b25 |
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font_02_sfnt_off00012221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12221 | 10444 bytes |
SHA-256: 280fc42ce6aec793d8a339c78ee6402742b6107e8f7faf5710bc70f09fc2b8a5 |
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