MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. The document contains a link farm pointing to various domains, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting an attempt to distribute malicious content. The presence of a URL with 'utm_term=apk+para+android+full' indicates a likely lure for Android application downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://autosklo.sk/pictures/file/wesotolopela.pdf In PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7d95bfa40---fitawuwozafawobomag.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/bakipazetibimetuke.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/78139655715.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/lalapawitaniriput.pdfIn PDF document text
- http://el-system.jp/uploads/2012/files/44238064412.pdfIn PDF document text
- http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/wukoxewo.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/42457814745.pdfIn PDF document text
- https://brawlcall.jordanadams.com/ckfinder/userfiles/files/wilutamad.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/cfa7b5cacd86a2701e47614f91c3cf22/34569183437.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/todetuwutava.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/afb483037b71fde42ed77a52d404dfaf/monusida.pdfIn PDF document text
- http://abwnickersonplaza.com/uploads/files/wugorot.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/revuxuvevazibebizob.pdfIn PDF document text
- https://www.gico.ge/ckfinder/userfiles/files/15270301291.pdfIn PDF document text
- http://aldobini.it/userfiles/files/ravoz.pdfIn PDF document text
- http://matchonusa.com/uploads/files/poporemenalefugaledipipip.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021090315295677.pdfIn PDF document text
- http://emaaravm.net/upload/files/22173166224.pdfIn PDF document text
- https://smartech.lv/sites/smartech/uploads/documents/files/safamuxorin.pdfIn PDF document text
- http://yossy.biz/userfiles/file/rimoj.pdfIn PDF document text
- http://idroter.org/userfiles/files/57739630850.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=apk+para+android+fullPDF 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_off0000b191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB191 | 10268 bytes |
SHA-256: dcc3f97dadced56aa6739ec9f3413143552fa18aead16c34ffdc20027b4ffda8 |
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font_01_sfnt_off0000c8aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8AA | 17348 bytes |
SHA-256: f14d21d3d4353caf74abc3a17e4a8dadf9c966452455f66fdf5ecff01d7ff407 |
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font_02_sfnt_off0000f507.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF507 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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