MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links to other PDF files hosted on various domains. This technique is often used for SEO spam or to distribute malware. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm. No scripts were extracted, but the sheer volume of outbound links suggests a malicious intent to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://artventureart.com/uploads/1/3/0/5/130539446/130539446.html#geografia+4to+grado+libro PDF link annotation
- http://emmadaffern.com/uploads/1/3/0/7/130739368/305876.pdfIn PDF document text
- http://cash4goldcp.com/uploads/1/3/0/7/130775365/6576301.pdfIn PDF document text
- http://werunanalytics.net/uploads/1/3/0/9/130969473/muwipiluxulob-fidafadoxapaka-tabepofapu.pdfIn PDF document text
- http://www.sh-equestrian.com/uploads/1/3/0/5/130551523/benenovebofemo.pdfIn PDF document text
- http://2xch.com/uploads/1/3/0/3/130313005/juratez.pdfIn PDF document text
- http://autodiscover.stmartindp.com/uploads/1/3/0/9/130969851/3741947.pdfIn PDF document text
- http://my-gama.com/uploads/1/3/0/7/130776034/9cdca4a1515ea.pdfIn PDF document text
- http://bringitchatt.com/uploads/1/3/0/5/130538923/d1ed1bd8bfaa.pdfIn PDF document text
- http://www.ayeshadavar.com/uploads/1/3/0/8/130813668/f95ab.pdfIn PDF document text
- http://completecarechiropractictables.com/uploads/1/3/0/5/130541745/6cbed.pdfIn PDF document text
- http://scdhhtranstion.com/uploads/1/3/0/2/130272548/1905789.pdfIn PDF document text
- http://votevandenboom.com/uploads/1/3/0/4/130488773/c7f1325cab790ac.pdfIn PDF document text
- http://simplydavinebathandbody.com/uploads/1/3/0/6/130605442/8877699ae3.pdfIn PDF document text
- http://remote.solonchamber.com/uploads/1/3/0/5/130539518/9179298.pdfIn PDF document text
- http://clearfieldbc.com/uploads/1/3/0/4/130488569/gadolaxetog.pdfIn PDF document text
- http://mail.thegeniewithin8.com/uploads/1/3/0/7/130776688/4559574.pdfIn PDF document text
- http://www.teacher-lounge.com/uploads/1/3/0/7/130739371/kagofomemivozu_waliw.pdfIn PDF document text
- http://pathfinder-health.info/uploads/1/3/0/5/130551160/bexinaxemax.pdfIn PDF document text
- http://groupejobinassurances.com/uploads/1/3/0/2/130287992/6310926.pdfIn PDF document text
- http://sirehealthcare.com/uploads/1/3/0/6/130605069/volurovemir.pdfIn PDF document text
- http://webdisk.scottpreciousmetals.com/uploads/1/3/0/6/130640159/d9435e26.pdfIn PDF document text
- http://erostangmusic.com/uploads/1/3/0/9/130969910/442509.pdfIn PDF document text
- http://www.hasyukabehakutoksengjoswakaka.com/uploads/1/3/0/6/130620838/nudokixitawu.pdfIn PDF document text
- http://elitefxacademy.net/uploads/1/3/0/4/130475925/tuniragitab.pdfIn PDF document text
- http://mx.modestocigars.com/uploads/1/3/0/5/130544938/8941a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign:
groupejobinassurances.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63F3 | 8476 bytes |
SHA-256: 431ed41683a680a2c82e757473d9213373bdf2d68f0bd65a21c6abe27a072808 |
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font_01_sfnt_off00008341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8341 | 2616 bytes |
SHA-256: d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04 |
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font_02_sfnt_off00008c75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C75 | 16204 bytes |
SHA-256: f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d |
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