MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity PDF_RANDOM_URL_LINK and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM. The numerous embedded URLs point to a link farm strategy, with many hosted on compromised CMS uploads and disposable domains, indicating an attempt to distribute further malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 8
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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 https://queure.ru/uplcv?utm_term=world+famous+lover+full+movie+in+telugu PDF link annotation
- https://efnnma.org/files/file/83664938533.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/xepotani.pdfIn PDF document text
- https://childrencareandliteracysociety.org/userfiles/files/50508710641.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311648ab5d4---51912718650.pdfIn PDF document text
- http://law885995.com/upload/fckimages/file/81655506421.pdfIn PDF document text
- https://architektor.ru/uploads/file/68535682548.pdfIn PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/67410548108.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/rapekogipadakifolasefaj.pdfIn PDF document text
- https://ceramicasvillaflor.cl/UserFiles/File/12138853649.pdfIn PDF document text
- https://oriontradecom.com/ckfinder/userfiles/files/92433888343.pdfIn PDF document text
- http://insfilings.com/skyzone_classic/upload/files/58656513678.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff0cbaec7f---26875246328.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161409bdcad69d---jikizemit.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/af61cc3dac0210ba5bfa0f564a1cf1c3/46618978684.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/53649791813.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/ranabeseguwigabik.pdfIn PDF document text
- http://le383.com/uploads/files/gifoban.pdfIn PDF document text
- http://laserinnsbruck.com/static/sudusugas.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/moligavutuzekamelazeb.pdfIn PDF document text
- https://haruhonpo.com/upload/haruhonpo/files/zidegujobivew.pdfIn PDF document text
- http://laxycoffee.com/upload/files/lexaru.pdfIn PDF document text
- https://yoimart.com/upload/file/20210918002425.pdfIn PDF document text
- http://pokebarslo.com/uploads/files/letekipajire.pdfIn PDF document text
- http://topup-fight.com/ckfinder/userfiles/files/97649952440.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_off0000d904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD904 | 17172 bytes |
SHA-256: 82f62aac2b851df21b0794f5c2f7c4bad19dcce9df65dfb863f99f54f80984df |
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font_01_sfnt_off00010540.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10540 | 10856 bytes |
SHA-256: 4abd26446ae84bd3e63fbdcf05a4b83575ab017eeb9978b2a41bccafaf6213cd |
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font_02_sfnt_off00011e24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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