MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm or redirection mechanism. The presence of a 'download button' lure further supports a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and link farm behavior are consistent with techniques used to deliver second-stage payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://allytemp.ru/uplcv?utm_term=mengecilkan+size+video+di+hp
- https://prestinireedcorp.com/userfiles/files/15971743907.pdf
- https://www.pharmawell.eu/ckfinder/userfiles/files/51158933588.pdf
- http://interroadholland.nl/userfiles/file/kokowasazidilopelikij.pdf
- http://darstin.com/userfiles/files/kekowilagigalemonomax.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613beec8043d1---63948414229.pdf
- http://chanhungcorp.com/images/uploads/files/dukesosagita.pdf
- http://queensparkview.com/image/upload/File/rusasazaxil.pdf
- http://www.azurwelcomeservices.com/userfiles/file/bizuseg.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161336a954e271---dazojawejit.pdf
- https://iveducentar.com/uploads/assets/file/36373776717.pdf
- http://theheavent.com/userfiles/files/limanazajubaxifo.pdf
- http://dalaichau.com/files/madojemupipig.pdf
- http://portalcom-b2b.es/img/user//file/_0797012001631781996.pdf
- https://blugarden.eu/file/wetinaterenowese.pdf
- https://lockerova.eu/admin/upload/documents/66204935299.pdf
- http://ebslang.net/_UploadFile/Images/file/rofudifofejupadebo.pdf
- http://drironcat.com/images/file/93173015889.pdf
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/46137597161.pdf
- http://dotacjedlaoze.pl/userfiles/file/vebefusidepolupesofe.pdf
- https://psg66.ru/admin/ckfinder/userfiles/files/80689425605.pdf
- http://retrolondontees.com/userfiles/file/zapetusuverajopekine.pdf
- http://andreuma.madteam.net/ckfinder/userfiles/files/kaladiximu.pdf
- https://hebatkeren88.com/contents/files/80432954748.pdf
- http://thienminhgroup.com/uploads/userfiles/file/92971930240.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/fba5a95780bbbf3e4c7bc96526d7baac/82583687490.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d402.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD402 | 16792 bytes |
font_01_sfnt_off0000ec19.bin6dd2bce81d265905bec44404fef8e1c7e2fafa37cd9b73e8b6e83f791b898aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC19 | 10808 bytes |
font_02_sfnt_off000104c5.bin14965a371ed8dc8b5391db399c8c69e8f1f147f94780fbf63551727d54721911 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C5 | 17480 bytes |
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