MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to external resources, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://automsystem.com/UploadFile/file/20210513104710329.pdf In PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/1fdb234a9a1a7429d85fdf7c2b49b751/16655725334.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c89212e8a---89885873646.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/db8d444a2fe29a5b00146cb7e2997767/45256390221.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608388027c4d5---zogigifovaxebomibafigar.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/dixidukojuv.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/842ae42a8ec9f515c9b820d8c00af85b/wadoraja.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/jd67c8664o476qr6d3e6i464b1/zifiv.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3f7ce2d05---39818860721.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7q7htqta2f1k4nphbahfaitm04/gawumibijosetamo.pdfIn PDF document text
- http://andrewsexes.org/clients/867461/File/sisetawu.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/68024317280.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/8321475523.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/25081270542.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/pumoziz.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/sezerosupivozoj.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/33375714688.pdfIn PDF document text
- http://www.urbanwaterways.info/files/dolabigafax.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160928f1cadf4d---sokomirij.pdfIn PDF document text
- http://ty-universe.com/image/files/20210628_014435.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/regotibu.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085798535ad0---masasakimilekopuva.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/95184013230.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/47703867801.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+get+an+avocado+to+ripen+fastPDF 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://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_off0000dfc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC8 | 17080 bytes |
SHA-256: f7d3c60e2984985e6d09ebac9b74b085e37cbb8bba84b7c9862fc0345bbeab8d |
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font_01_sfnt_off00010b90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A7 | 10892 bytes |
SHA-256: d313463e29bd5f1580b4c4ba9ee9b3ab190016af4be7c48361f3e2fee59e3fcf |
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