MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://laborke.ru/uplcv?utm_term=i+was+just+thinking+about+you+dustin+lynch PDF link annotation
- https://detskeihriska.eu/ckfinder/userfiles/files/loxolupidaz.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e39141f7c---zoxotufizunukopatetenugu.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/71422388958.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/kuvigepujijan.pdfIn PDF document text
- http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40797561766.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/4f5fc506ae72e61267cc516577c1cdd9/45716185255.pdfIn PDF document text
- http://wamer.org/userfiles/file/sigojunovafa.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087884a702b6---33109295000.pdfIn PDF document text
- https://bititechnika.com/uploads/file/16160402255.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e954aee37---84468519488.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afbd0cc14ec---76291857687.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9ca3d508a---74734832245.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1b7c26098339ee41914c72076eb8d7fe/vinamitodex.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/hashd88bhlb2m6ahhghtpbnch1/jazafosu.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/dagowafaduj.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160798e1506ba9---49697162513.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/18152359277.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/av6d53541mn41i07svl3lo2dq1/xivazuluzudegisipojiwabub.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/e15eef69c44c97639bfd52c23cca8a9e/44338832163.pdfIn PDF document text
- https://searchlink.org/userfiles//file/5785390879.pdfIn PDF document text
- http://m2m2design.com/userfiles/lugozubupu.pdfIn PDF document text
- https://discovercefalu.it/_data/images/file/dawaxaf.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1611ad3711e9a6---votasegiwovoku.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/51423485469.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_off0000db35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB35 | 17844 bytes |
SHA-256: 7bef920b72850a0cd89f9913bac5a31a2d01822e12ce27bcb88a7efd9a54a918 |
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font_01_sfnt_off000108cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E3 | 11032 bytes |
SHA-256: 290e4fc304cc5cf01bc252eedfcc22f63dc57ab31851fd6b5f91d23f3411c247 |
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