MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, disguised as a book download. This suggests a phishing or scam attempt to redirect users to malicious sites.
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/pify?keyword=elchuri+ayurvedam+books+in+telugu+pdf+download In PDF document text
- http://parexa.diypaintguy.com/uploads/1/3/0/7/130775734/kirajimivo_dasotefez_firulomiwuv_pinudulebuz.pdfIn PDF document text
- http://bazas.cartoonsonfilm.info/uploads/1/3/2/6/132695615/b741846211424c4.pdfIn PDF document text
- http://files.olympiamarines.org/uploads/1/3/1/1/131164272/6420212.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/jomowimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6701/4297/files/affinity_designer_workbook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6479/5044/files/tebaxoradigutabisazedipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9866/9220/files/23708897435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9377/8837/files/wanekilipevak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2585/6669/files/13449507730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/learn_java_programming_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9869/4049/files/48359854952.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5671/7207/files/mubojopejesurelepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/adjectifs_possessifs_exercices_franais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/zojuzug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7510/7990/files/80348445436.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008b49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B49 | 5984 bytes |
SHA-256: c273ba673fdaddbbde50208683f95a74c42a38004aca992078fae377a7eaf606 |
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font_01_sfnt_off00009f97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F97 | 7244 bytes |
SHA-256: 9511175593d5e2954574fa1cca7ac030cf5c42ff7e28d60ca2e2645bd8b077f8 |
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font_02_sfnt_off0000b6b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6B1 | 2024 bytes |
SHA-256: a511fb262e2f240b0cc62b800179189f1c69c7b4d67d938f9bc0c5e12ef74554 |
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font_03_sfnt_off0000c046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC046 | 13244 bytes |
SHA-256: 958d9b9c74d85a3884f9323c41123f15ab5d16cb673cad2767b38700a828c1fa |
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