MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload directories. The document body is heavily obfuscated, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the file's purpose is to redirect users to potentially malicious or spam-related websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9708
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
-
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://hophamthaibinh.com/upload/files/virukaxi.pdf In PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161274a17b3367---sexobakurukidezaruzoxu.pdfIn PDF document text
- http://cancunday.com/travela/img/files/jigunetunugevanuj.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/82964589019.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/bunupotozejitalanuneb.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/91382671193.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3ada4901a---43976279670.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/4d370c25387092ce4ab5b9ebe05ee09f/tiguwosekefogowe.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/lumutev.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607957a660abd---29787443546.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d58f2e33e0---17259141813.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/29049f7d864e48923fbaa699a9a10225/77329178676.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a64bb935fb---xojubadarorovatirapakuzaj.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/letuwusawegurosiju.pdfIn PDF document text
- http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/83322485201.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607db1ed89b57---vadoseniv.pdfIn PDF document text
- http://ourhkg.com/UPFILE/userfiles/files/pakikazetozixuxofep.pdfIn PDF document text
- http://royalgroup.at/tmp/nufaza.pdfIn PDF document text
- http://bloodfaces.de/attachment/file/muvitigafafun.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/0b05bebded412e5cc9515ee223a2abaf/gizivuporawule.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=jethro+from+the+biblePDF link annotation
- 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_off0000ba56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_01_sfnt_off0000d26d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD26D | 10176 bytes |
SHA-256: 4177bd11d12a66367944223e860178dab337387b437f76a1bbae2df84d00b663 |
|||
font_02_sfnt_off0000e92c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92C | 15664 bytes |
SHA-256: 938ebda75d007b45890deeb06f685e31da1b89fb329dae7ec795399d7695e78f |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.