MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which point to SEO redirectors designed to phish users or distribute malware. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK indicate a deliberate attempt to create a link farm for malicious purposes. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via the embedded URLs.
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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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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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://jumiwimov.ru/strik?utm_term=marriages+families+and+relationships+13th+edition PDF link annotation
- https://cdn-cms.f-static.net/uploads/4407810/normal_5fdbb7c5162ed.pdfIn PDF document text
- https://vixananuxa.weebly.com/uploads/1/3/4/8/134881407/1189da43d81f5a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449783/normal_5fd6765ab30c8.pdfIn PDF document text
- https://jigaxamika.weebly.com/uploads/1/3/4/6/134610035/kuzide-masipatumug.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459916/normal_606e6dbc9fc24.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4504839/normal_605a3840bb6da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486060/normal_60365a72d1f92.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/47e272ae-35f6-4187-ba18-8d696f36d6ca/model_3_long_range_vs_performance_2021.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a23cc17e-4499-4a10-803f-ffa5565eebb7/moselowisolefarimovob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82514235-2d96-46bf-b25c-e6af74d3e03f/27591695228.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a9367d3-c881-4dce-a03b-ce3bc509bce4/poviri.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c486ed3b-4d20-4398-ac98-39b9acca42ca/50935241030.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10e42431-f054-4dce-92c3-c4289866d284/50877459977.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0f10fa9-34ab-41b5-a068-eac90773e5e6/fadov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/441ee952-664c-42a6-83f0-22522a028901/how_to_unlock_schlage_lock_without_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/810db66a-0b76-4b8e-8228-cdf50ee49411/how_do_you_make_grilled_cheese_on_a_george_foreman_grill.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/985cf12a-7151-4c4d-8e3d-236d4e19dc83/jijurigez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25853a75-a141-4e66-b229-70516a6ab07c/the_moses_code_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/baf30497-f0b1-4c4c-bde5-bed1dfabdead/how_to_start_smart_bracelet_watch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b93b9069-8575-49c1-a3f5-75f58a6554c8/american_dad_scripts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0acab3f-43d1-4d04-a513-6da0ac71f9bd/14524300095.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75a04149-4ab9-4430-82b1-cfe688ba5a98/avneet_kaur_new_pic.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_off0000fe82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE82 | 5676 bytes |
SHA-256: c652fe7ecc8fc8957afa8ecfec99346475a4b7ceafed1fad0328df50b7b83185 |
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font_01_sfnt_off000111c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C4 | 10816 bytes |
SHA-256: f335afcecf17688d8e7c10ef938d00a5c99a511ea773ddffc5ababf3e873ea62 |
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