MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a link farm with numerous URLs, many hosted on compromised CMS upload directories or disposable domains, designed to redirect users to potentially malicious content. The document body, though heavily obfuscated, suggests a lure related to 'New mehndi design photos 2020'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://olsztyntransportmedyczny.pl/userfiles/file/kobetininujapiruxibi.pdf In PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/a73952641698fa7145a5499be12502e2/bimorefokedikaloxuwur.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/58459994333.pdfIn PDF document text
- https://etadelloro.it/images/file/97640271756.pdfIn PDF document text
- https://duproject.com/uploadEditor/files/44844452097.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2a852f79bc790725ea3368537e1cec2/kufavogafaguvodur.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872bd8c48e8---xazavutafonasu.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/lifelumukaduzirividemiro.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895464638b0---gefuged.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c03e4279197---26153595331.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/s18mpsbgtd8ia2rj1qdu8sdb1t/26099342720.pdfIn PDF document text
- http://musikpark-live.de/userfiles/file/6062210691.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210607_FE3EF2212CF113C7.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a76b75a915.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/13n3i1ud2q8fhjmca8bnv939p0/91513795168.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=new+mehndi+design+photos+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED08 | 5368 bytes |
SHA-256: baea9a79ad8398fa656763df896bb6f56dd767e7d44610d874ef42cefd35c052 |
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font_01_sfnt_off0000ff3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3C | 1936 bytes |
SHA-256: a8ba320a0ac8a73a5a8cc2c47ba30bd151ec5f51af4d5ac0b9daf85eaa8f1301 |
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font_02_sfnt_off00010881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10881 | 11652 bytes |
SHA-256: 18f525569ce67aae16773933f98a058181f8cb302e1228cbbbf262014a5bc702 |
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