MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for information. The presence of external URIs and a link farm structure strongly suggests an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d281a21542---busejowur.pdf In PDF document text
- https://lapalettedesarts.fr/gestion/file/81685707186.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091211908e96---4497280390.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e929ddcce2---24000350830.pdfIn PDF document text
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/rarepagiwobapeg.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/tokopozetagaka.pdfIn PDF document text
- http://graczeonline.pl/userfiles/file/10827789159.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/tigamajetarafizo.pdfIn PDF document text
- http://zonweringnederland.com/ckfinder/userfiles/files/15801899149.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/08f2293b03a00ec621e034950c115d6e/safesagulupefaro.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/94682960986.pdfIn PDF document text
- http://expertsystemgroup.com/file_media/file_image/file/39928960534.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0dd17b7b1---taxeruwojurubedinemitaj.pdfIn PDF document text
- http://hollandunitedreunion.com/clients/5/52/52f3fdf721cdccceb566e47094f1d9de/File/35638690274.pdfIn PDF document text
- http://jinanxintiandi.com/userfiles/files/vokaf.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cea202a75---jaxomijoluvigexopu.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/4872ab86731849380864b65c423d3047/depowabijemevoweserevulig.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/ciavnf6j306810qthakmgmpaq7/rufepatezumifikowagatu.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/fegavikikumeraguxigekena.pdfIn PDF document text
- http://englishkan.net/UserFiles/File/xowus.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160afbef736e4a---wubaropitolugiwolidoki.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/d7381df4ab13b7be53c83fcc6287b3b9/54858279766.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/93468738237.pdfIn PDF document text
- https://airtelco.com/data/users/_/email/files/80927631857.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/tovubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=gta+vice+city+cheats+apk+house+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_off0000e587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE587 | 16692 bytes |
SHA-256: 4c7ae70e656c1828dff91804eb2c6ff61040f0ece56d8a2f4895df1d4bb04378 |
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font_01_sfnt_off000110f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001290d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1290D | 11008 bytes |
SHA-256: 5955b9614355f6dbf6c569de35eb2796ef9b2dee43ff7456a501ddc175a195df |
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