MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains numerous links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for an academic paper. This suggests a phishing attempt to redirect users to malicious infrastructure. No scripts were extracted from this sample.
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/wb?keyword=evaluation%20a%20systematic%20approach%208th%20edition%20pdf In PDF document text
- http://zilodopi.makeitspecial.shop/uploads/1/3/2/3/132303374/baxuwu.pdfIn PDF document text
- http://files.srbburbankschool.com/uploads/1/3/0/8/130874110/7468208.pdfIn PDF document text
- http://files.makeupbybb.com/uploads/1/3/1/3/131381712/zinomezumajiwet_xamaminiwoxesus_radan_gekero.pdfIn PDF document text
- http://files.eddieoutdoors.com/uploads/1/3/0/7/130776601/61949e3a5df.pdfIn PDF document text
- http://vezupi.helentheherbalist.co.uk/uploads/1/3/2/7/132741555/satolezib.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/1/0436/9675/0742/files/pawekasunuwigopipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rikujolam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8060/5077/files/ganapati_atharvashirsha_telugu_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/tasisozife.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8515/9845/files/kinesiologia_uba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7592/0282/files/logexubanekujema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5058/1662/files/auditing_and_assurance_services_16th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0300/9430/files/31023744330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9694/7353/files/67651674564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1310/9917/files/zurejumelafisuzetawaburez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9503/7854/files/cursive_alphabet_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3569/5016/files/57926944279.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_off00009cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CF7 | 2828 bytes |
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f |
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font_01_sfnt_off0000a6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6F1 | 5708 bytes |
SHA-256: 2cc14206793b6906e566dcccbebdc02104d682b8e8598540ce5c82d5cbb56a68 |
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font_02_sfnt_off0000ba42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA42 | 10368 bytes |
SHA-256: 10089891c8e982ee51266bd58e2fdfebd4e41a2ec56e9be384834e1686d80c07 |
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