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 potentially compromised or disposable hosting sites. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest the document's purpose is to redirect users to malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.yemany.com/yemfiles/files/xefuj.pdf In PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210914_02817E0E1F29E3CA.pdfIn PDF document text
- http://shimamura-mail-order.com/userfiles/file/wufopesisewolij.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109160046396723.pdfIn PDF document text
- http://ge-mak.com/files/1254715671.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/kasix.pdfIn PDF document text
- https://eprobatdz.com/ckfinder/userfiles/files/wazukusesoxaso.pdfIn PDF document text
- https://kamarkosong.com/contents/files/59132518310.pdfIn PDF document text
- http://trieuduong.com/images/Download/11142731710.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/m75cp5mqs4k4vamprmk4aonr02/85695386063.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/8200522000.pdfIn PDF document text
- https://exihomes.com/userfiles/files/muxajopetaxivawajeno.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/rikamegavetogemimaterilu.pdfIn PDF document text
- https://chambres-lannion.fr/userfiles/file/ferewuso.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/4912633976.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/n4blmj5s88q610208hreooklkf/97620512131.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/fuwutezojemiterubemogepo.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2b938647aa15ffd05213f1bb0ceddb34/sanofivepokuxiz.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/202191221550877.pdfIn PDF document text
- http://zuche0551.com/upload/file/77134042659.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021090421031673499.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/267f32a90888dfcd6540a3c923407bdf/54131479256.pdfIn PDF document text
- https://rajaunited.com/contents/files/lakeju.pdfIn PDF document text
- https://ww150007.linebot.net/upfile/files/20210908052422.pdfIn PDF document text
- http://underbutter.cz/download/foto/52021533920.pdfIn PDF document text
- http://kidzcastleschool.com/singhania/downloads/file/wajoxonomazaberiguni.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+draw+a+beautiful+dress+easyPDF 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_off0000cf37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF37 | 16712 bytes |
SHA-256: 0166a687f6b51d1942809719ac3c68364f0aecb1c254570cd308466c97b26d3d |
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font_01_sfnt_off0000fa50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11267 | 10672 bytes |
SHA-256: 754164427e235aee3de5e884b02bc259263ec1a5fc49d6ed36468fef33d060d6 |
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