MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and is flagged by a machine learning classifier and ClamAV as a phishing trojan. The embedded URLs point to known malicious infrastructure, suggesting an attempt to redirect users to a phishing or malware download site. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://dafemum.ru/strik?utm_term=pillars+of+the+earth+sequel In PDF document text
- https://kekageguva.weebly.com/uploads/1/3/0/7/130776826/1240983.pdfIn PDF document text
- http://dudisukogonox.iblogger.org/modabigijotejapuzud.pdfIn PDF document text
- http://bumumapa.mypressonline.com/72830485838.pdfIn PDF document text
- http://labebatazavanoz.mygamesonline.org/19126059149.pdfIn PDF document text
- https://pefodiral.weebly.com/uploads/1/3/4/4/134476409/nifipasamowaw_felutewena_sazivafaxuwuw.pdfIn PDF document text
- https://bikigevoxepasi.weebly.com/uploads/1/3/4/7/134716722/gadiviliw.pdfIn PDF document text
- http://zinuvudoliku.iblogger.org/rasekafe.pdfIn PDF document text
- https://vesetiwavulajed.weebly.com/uploads/1/3/1/3/131381055/bdd007896818bb.pdfIn PDF document text
- http://nuwojukow.mygamesonline.org/xibukidamijasolen.pdfIn PDF document text
- https://mokoluwi.weebly.com/uploads/1/3/4/5/134595511/2704b43c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vokerajud.epizy.com/wusojajeza.pdfIn PDF document text
- https://s3.amazonaws.com/vuforewebub/robin_hood_2010_trailer_german.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/whats_the_theme_of_treasure_island.pdfIn PDF document text
- https://s3.amazonaws.com/kelageketisefuv/psoriasis_guidelines_2018.pdfIn PDF document text
- https://s3.amazonaws.com/bofake/30699100586.pdfIn PDF document text
- https://s3.amazonaws.com/ganubifirigevi/35200849379.pdfIn PDF document text
- https://s3.amazonaws.com/vososasoxumete/nys_pistol_permit_renewal_form.pdfIn PDF document text
- https://s3.amazonaws.com/xasovewipeje/how_to_put_filters_in_shark_navigator.pdfIn PDF document text
- https://s3.amazonaws.com/jeworurowam/misufer.pdfIn PDF document text
- https://s3.amazonaws.com/magapeguwabe/83680771190.pdfIn PDF document text
- http://jejivosijej.rf.gd/36673694677.pdfIn PDF document text
- https://s3.amazonaws.com/difigomisosak/what_is_modified_curriculum_and_instruction.pdfIn 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE078 | 4980 bytes |
SHA-256: ab4547af2ed7ee6bd274c0804c8a0fa54f46a918c15b982bdfcdc9c00d9de873 |
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font_01_sfnt_off0000f164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF164 | 10848 bytes |
SHA-256: 18138e2ec0964bf55183cbbda2765da097f17535e5cc963e035ddf20a175db72 |
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