MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.cc/pify?keyword=marksheet+number+mumbai+university', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Marksheet number mumbai university' and also lists numerous PDF links, many hosted on Shopify. This suggests a lure to trick users into clicking malicious links under the guise of an academic or financial document, likely leading to further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.cc/pify?keyword=marksheet+number+mumbai+university In PDF document text
- http://files.uptildawnpaperworks.com/uploads/1/3/0/7/130775997/4076286.pdfIn PDF document text
- http://sited.tnquarterhorsesales.com.au/uploads/1/3/1/1/131164112/wepabavebot.pdfIn PDF document text
- http://files.loveforchinese.com/uploads/1/3/2/6/132683400/d13d828f7b69.pdfIn PDF document text
- http://mabawusiz.sydmocreativeco.com/uploads/1/3/1/6/131606457/nonuminusasoxo_wepoxasagavu_wimolu.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/1/0455/5816/9765/files/48174427566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7310/1214/files/pakamavosoworip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9370/4350/files/66626010545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/5520/2723/files/28929821396.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5135/1200/files/94732721285.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/tejunudazoliburudok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1070/9915/files/888911556.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4620/7637/files/giwezuzowate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2225/3205/files/evaluate_homework_and_practice_answers_geometry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3106/8825/files/80269460044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7002/9975/files/5442387345.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_off0000706b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x706B | 5036 bytes |
SHA-256: 378538b90cfe64df1e1b2d821d93ff32d73cf1829ae3f08c95ae04927661db4d |
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font_01_sfnt_off00008164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8164 | 16152 bytes |
SHA-256: f606e8c88c634296bf2589958f48148dfee8c59bbd6e62be3955ec2f021eebf2 |
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font_02_sfnt_off0000b2ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2CA | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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