MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external resources, many hosted on compromised websites, suggesting it's part of a phishing campaign. The presence of URLs like 'ketchas.ru/uplcv?utm_term=send+resume+for+job' indicates a lure related to job applications or resume submissions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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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://ketchas.ru/uplcv?utm_term=send+resume+for+job
- http://cerritos.songhakbbq.com/uploads/files/78386685141.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4e60d52ec---zetomezixegu.pdf
- http://floramarble.com/uploads/vusafoguwifofovibuzeru.pdf
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/161479e33a3fee---retuvitunimi.pdf
- http://sensi-leszno.pl/userfiles/file/43287332121.pdf
- http://curry-box-deluxe.de/userfiles/file/tajadogijuxupexedejenat.pdf
- http://jlicentral.com/images/authors/file/pelukufoxanajumatedano.pdf
- http://hodoan.net/userfiles/file/pogetip.pdf
- http://realtor-madrid.com/uploades/fckeditorfile/16282601962.pdf
- http://salwex.hu/file/50560475698.pdf
- https://jaukiaplinka.lt/ckfinder/userfiles/files/guvikedebefidi.pdf
- http://mdsalon.ru/img/lib/file/bupibabagurokumemoki.pdf
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/35839489876.pdf
- http://angelofthewinds.net/ckfinder/userfiles/files/dejazake.pdf
- http://sayarbobinaj.com/file/35476165534.pdf
- http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22455990717.pdf
- https://digitaluzaktanegitim.com/calisma2/files/uploads/13588737780.pdf
- http://saringkarnwood.com/UserFiles/file/4699956802.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613faf1f46f12---rejofomumo.pdf
- http://dep14kirov.ru/userfiles/file/bobuvoresi.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16140710ee9b54---68120966482.pdf
- https://areopag.ru/sites/default/files/uploads/17935303629.pdf
- http://one9five.com/userfiles/files/romusonunexotidifesolovej.pdf
- http://conelser.hu/fck_uploads/file/tibofojiguxanilazafonuko.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_off0000e2c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C7 | 16792 bytes |
font_01_sfnt_off0000fade.bin0b90050aa06e6cd3eaa8ab2a49aeba1a2bd3c2530411de3d853378bcd9355c3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADE | 10564 bytes |
font_02_sfnt_off000112ea.bin50578620b02510fefa55eb96c6d7ea57d0854e231635ec0488b258a102f23092 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EA | 18508 bytes |
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