MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious domain, disguised as educational material. The heuristic firings indicate this is a link farm designed to funnel users to malicious infrastructure. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest an attempt to redirect users to a malicious site, likely for phishing or malware distribution.
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.com/pify?keyword=estimating+square+root+worksheet+8th+grade+pdf In PDF document text
- http://files.unityofpalmyra.org/uploads/1/3/1/4/131405948/458530e4.pdfIn PDF document text
- http://files.nlrtsa.com/uploads/1/3/0/7/130775017/finoti-ravorifapox-zopokubupa-dakiviperibu.pdfIn PDF document text
- http://files.ashleyskinnertherapy.com/uploads/1/3/1/3/131383045/162ef53f549855.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/7814/7491/files/51395180029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8081/8581/files/63962824689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7519/0422/files/pulp_fiction_synopsis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9521/2697/files/4975492665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2924/9694/files/basic_technical_mathematics_with_calculus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8670/8890/files/widomani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1900/2279/files/sunset_sarsaparilla_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9623/5415/files/rules_of_acquisition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7523/2153/files/30906987564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0401/0389/files/pagejituvokuraxeguluzewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9135/1969/files/how_to_change_your_discord_name.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1961/4884/files/demilozaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6690/1148/files/kondisi_geografis_negara_asean.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000053be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53BE | 5740 bytes |
SHA-256: 585cbccb59f19d8d2a51eae18862323eaf38f7d5012f35c7a1afc7da7666dfc3 |
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font_01_sfnt_off00006726.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6726 | 9996 bytes |
SHA-256: 077b8146fad04234248b71b87afc55bcf7b25f8497c7fe30a393f2433e6e11f8 |
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font_02_sfnt_off00008970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8970 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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