MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. The embedded URLs suggest an attempt to distribute further malicious content or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://asja-doll.ru/userfiles/file/61042366563.pdf In PDF document text
- https://shellserva.nl/docs/Image/file/41187826706.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/7d82a0d57f14c1dd48424430891bb3c2/79135655011.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/1f2daac2498d89bc0589566341243a11/melemofasivi.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/5566391189.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/burujifigilenojexesufexi.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/42118e00258859390b7b928b8ac85592/94044604673.pdfIn PDF document text
- http://614move.com/clients/4890/File/pozarek.pdfIn PDF document text
- http://lt101shop.com/userfiles/files/48945558247.pdfIn PDF document text
- http://cp-tournament.org/ckfinder/userfiles/files/tapusib.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160fd15d5744d5---41605747793.pdfIn PDF document text
- https://eitmedu.in/ckfinder/userfiles/files/pebasujatugifabodutiji.pdfIn PDF document text
- http://doubler-son-capital.com/photos/files/9181260729.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d60d381752d---42647224856.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/2eca368ccecc150e5c6cd49dece2f967/69525818407.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/c9a852c7616e137eb6b6b317f1ad0f88/xiruvazalo.pdfIn PDF document text
- http://954move.com/clients/4890/File/86020916093.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/gapovixoxojotovesirojagu.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16072e4e41acd3---vetit.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6014aeafa---23030340359.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/0af9c772de1bcbbbe00e36fd5bfb22ec/90342778061.pdfIn PDF document text
- http://aven.su/userfiles/file/xenuwebivasura.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/1badcd85c31b86917939a98fca1a1aa9/niluwubekoratajapekazafos.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/b3499822cbfdd5398d7d319be8bc2578/lejimamugog.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=libro+de+texto+espa%C3%B1ol+lecturas+quinto+grado+2020PDF link annotation
- 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_off0000e5a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A5 | 16776 bytes |
SHA-256: 018fa841d492dabfcaf61dc3559a8b8d4782e31c60fc0d14273f84692c0509a0 |
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font_01_sfnt_off0001100a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012821.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12821 | 11580 bytes |
SHA-256: bdc9c978be60b7d2a27a7b623863086249d101a12399f3372bb7014b9e8465c0 |
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