MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://zartmobilia.com/userfiles/file/20210527030703.pdf In PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f732854192---wudekatez.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/spdu8bs7mv8cgmsggnrs7qihr9/65270828268.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d5789789f---dazusabuvogakegixezu.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/8f929045a23de2ec54f21a964eaafae1/nazutagaxiluxizugesex.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/86975056758.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9a5745552---47227935845.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4a39720f40dce4f31160c8cba876f380/67208852983.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/9a14671843c556cb1cd1cc6628720c96/30893441758.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/eq6fd12vr2qkb0f2diqq9kqi16/tinebedufis.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607070a982bdc---93175155884.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/wusaloralikezelebenule.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/juzulorenezebeboxul.pdfIn PDF document text
- http://ilovechardonnayhills.com/userimages/64659807365.pdfIn PDF document text
- https://ever-progress.com/upload/files/xukovovemapopudobilef.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/8aa4b1615980cbb8b94fa3218f225dc5/gikasotedubisetimegutez.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786aa87478b---refukelomefazavexaf.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/tinixatuxesiguwivopu.pdfIn PDF document text
- https://hansenlight.com/UploadFile/files/67400113769.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb0a3d9353---bobolimixazetebim.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a10766f64---91495232441.pdfIn PDF document text
- http://ogcdc.org/uploads/ck_upload/files/20568347038.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/zotilenawovoro.pdfIn PDF document text
- http://j1medical.com/uploaded/file/20567705253.pdfIn PDF document text
- http://leguido.net/files/35733290906.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=cartoon+guide+to+statistics+ebook+free+downloadPDF 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_off0000d466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD466 | 16424 bytes |
SHA-256: 225affe132e3e3d8dfc3d904cd6411514eec7bb8e66f69915f8916c80518c2e5 |
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font_01_sfnt_off0000ff13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001172a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1172A | 11100 bytes |
SHA-256: 8c986d2d8abbf750c27ffb9e663ca94c78474cd1c65760332879570d0e4536ca |
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