MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to disposable hosting or acting as link farms, indicating a likely attempt to redirect users to malicious content. The presence of a callback lure heuristic further suggests a phishing or scam-related purpose. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 https://philabc.ru/uplcv?utm_term=is+it+safe+to+use+developer+option+in+android PDF link annotation
- https://www.fangjin.org/ckfinder/userfiles/files/zorabarij.pdfIn PDF document text
- https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/25349589649.pdfIn PDF document text
- https://eliteprotectiveservices.net/ckfinder/userfiles/files/10038216935.pdfIn PDF document text
- http://ukrkarta.ua/fckeditor/userfiles/file/gowubojewuzirofujomudaf.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/86648494429.pdfPDF link annotation
- http://vce34.ru/attachments/file/domikuxuzatobasebulepiwum.pdfIn PDF document text
- http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wurosiz.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/72084091168.pdfIn PDF document text
- https://sitycare.com/FCK-UserFiles/files/49170047171.pdfIn PDF document text
- http://mayjack.com/upload/files/97850301518.pdfIn PDF document text
- http://rapet.hu/files/70459685904.pdfIn PDF document text
- https://openkomm.yussfone-crm.com/userfiles/file/87215238763.pdfIn PDF document text
- https://tectrongim.com/uploads/files/25407287266.pdfIn PDF document text
- http://diegogenna.it/userfiles/files/xizosokitimemitunanad.pdfIn PDF document text
- https://nedimgame.net/calisma2/files/uploads/misasone.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/85954290041.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/161438cda51d46---sebukewamaxukalowetovidon.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/tarifutenadapokekobipiz.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/pasaxegijonebavubuvu.pdfIn PDF document text
- https://www.solucionaesp.com/ckfinder/userfiles/files/telorobawuduvabigunin.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/karakuw.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/35768742309.pdfIn PDF document text
- https://redac.ch/upload/zagibelogadanafuwoliz.pdfIn PDF document text
- https://franchiseharbor.com/files/files/50389960202.pdfIn PDF document text
- https://mannoorpally.com/uploads/file/34210534455.pdfIn PDF document text
- 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_off0000b475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB475 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8C | 10608 bytes |
SHA-256: c8c245dc31ee7c39727c9f58767003aaa0dfea315d63046bda5dd1d5e9853125 |
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font_02_sfnt_off0000e4e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E5 | 15260 bytes |
SHA-256: 455eea6922073a1149dec0fc53ed230f41581a40efc4c5459af2a3ebd3a89f76 |
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