MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised websites and potentially disposable hosting. The primary goal appears to be directing users to external sites, which is a common tactic for phishing or malware distribution. No scripts were extracted from this sample, but the extensive use of external links suggests a multi-stage attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://pistant.ru/uplcv?utm_term=bally+sports+app+on+firestick PDF link annotation
- http://aotwresort.org/ckfinder/userfiles/files/1902530607.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/gezolibaso.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/71125116079.pdfIn PDF document text
- http://bakineshr.az/ckfinder/userfiles/files/9490713977.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/metegofopagunoxazubarugak.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e4343ffb2---46690426286.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/6ebe6105db9ac4b87983589d06c3d919/fokuvofariru.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/98812027846.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144339c84de0---89622836358.pdfIn PDF document text
- http://vkp.ru/upload/global/file/8398305911.pdfIn PDF document text
- http://klenderbio.com/upload/files/79654313306.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ce0715448---xoxifalegemaputenuled.pdfIn PDF document text
- http://k12kos.com/ckfinder/userfiles/files/25434194853.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/busikonawazevu.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/dop1anqfj3fgmgieva9upi66v7/5291763813.pdfIn PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/82290825057.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/37756695226.pdfIn PDF document text
- https://kalendarz.probik.pl/fckeditor/userfiles/file/badexudotonemi.pdfIn PDF document text
- https://raljob.com/userfiles/file/lijuwososewobixi.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/wedij.pdfIn PDF document text
- http://about-dogs.ru/upload/file/rudemilusemudenoragiv.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa9ac24292---70574228827.pdfIn PDF document text
- http://bobas24.pl/Upload/file/lanilisukapimulujimadeg.pdfIn PDF document text
- http://craftland.de/res/wysiwyg/file/meguma.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/bewizakexapupofuvokonu.pdfIn PDF document text
- http://bluebossa.pl/files/file/xodefepofu.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/sebasuzediluman.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_off0000cf9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B4 | 10732 bytes |
SHA-256: 1d57ae0dd54807cb7fcc079187a66620f37ed7d4e5ba312837d9bb18f28363c6 |
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font_02_sfnt_off00010096.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10096 | 17508 bytes |
SHA-256: ae5a750a17b1e6be9e6f28ce58f34b3c0f3261cc72007c780d1abdce696252e9 |
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