MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links designed to appear as legitimate downloads but redirect to malicious infrastructure, specifically a known redirector. The document body, though heavily obfuscated, suggests a lure related to calendars. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs points towards a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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://ttraff.ru/wb?keyword=kalender%202019%20zum%20ausdrucken%20ohne%20pdf In PDF document text
- http://files.themerchantsguildstore.com/uploads/1/3/0/7/130738918/bujakitujexilokosodu.pdfIn PDF document text
- http://files.coffeetacoffee.com/uploads/1/3/0/9/130969065/2041573.pdfIn PDF document text
- http://files.zanyunoodles.com/uploads/1/3/0/7/130739381/sikete-wemotuta.pdfIn PDF document text
- http://files.craniosacralsydney.com.au/uploads/1/3/0/7/130739837/dekifirimozim_piturilub_jegow_goxoxaxuzu.pdfIn PDF document text
- http://files.difficultjet.org/uploads/1/3/2/7/132740375/puzilazunup-gulesirosolene-bebatib-wusebi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5856/8097/files/retujadajelexebirideju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1509/3917/files/8615476085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/74720159251.pdfIn PDF document text
- https://vipewudubeg.files.wordpress.com/2020/07/wofenovivokelab.pdfIn PDF document text
- https://morureni.files.wordpress.com/2020/07/tozufawoxejexu.pdfIn PDF document text
- https://bekururumema.files.wordpress.com/2020/07/80651539087.pdfIn PDF document text
- https://lirapirabemo.files.wordpress.com/2020/07/62662335202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7950/7880/files/21161907075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7908/9824/files/zifaragas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4349/5841/files/winipuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9535/9641/files/22580370354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4438/6454/files/xolegesuvekeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6829/3287/files/90816738803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/zelag.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_off00007dd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DD4 | 5712 bytes |
SHA-256: 24793daa3950d01ec4cf5fbc4d35b6b34e4993ade36bd245e39f09972879b5aa |
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font_01_sfnt_off0000911b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x911B | 11736 bytes |
SHA-256: f79205445eeeda4f875b9c9890b011ce520d9c747e1695b39fe67e35d03de173 |
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