MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=cbse.+nic+sample+papers+for+class+10+2020+pdf'. This URL is likely used to redirect the user to a malicious site. The document body also contains numerous links, many hosted on cdn.shopify.com, which is flagged as a link farm. The overall pattern suggests a phishing or scam attempt using a seemingly legitimate document to trick users into visiting a malicious URL.
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.cc/pify?keyword=cbse.+nic+sample+papers+for+class+10+2020+pdf In PDF document text
- http://files.thequiltingretreat.com/uploads/1/3/1/6/131636642/5858083.pdfIn PDF document text
- http://dexidet.aurum-et-argentum.net/uploads/1/3/0/8/130874601/zesipeturomema_namojumifelix_dowileworen.pdfIn PDF document text
- http://files.byronbayhealthycommunication.com.au/uploads/1/3/0/7/130775017/sojapabozeneja.pdfIn PDF document text
- http://zibagapi.lawsenstanley.com/uploads/1/3/1/4/131452903/8393977.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/1/0438/1474/8322/files/50571875527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1483/8679/files/answer_set_programming.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/71063537607.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/fikaxoniraviw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9646/5823/files/nicomachean_ethics_david_ross.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7650/9080/files/23905161087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/maniwanaxenej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0352/6820/files/rachmaninoff_prelude_in_g_minor_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7750/0057/files/37939806492.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8850/1143/files/analysing_likert_scale_data.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2361/3595/files/karezulemomopigeli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5639/0559/files/paluse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6361/4369/files/pavlov_cable_channel_guide.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_off00006645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6645 | 5704 bytes |
SHA-256: fd108372be05ecae0ff2b6b8581eb381bf16bead5295f0660e7027afe9bf03b3 |
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font_01_sfnt_off00007993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7993 | 10352 bytes |
SHA-256: 2b72cb1fd900991a9d148aa46d1377f5f3403e43b0641bbc875ca9df022b6dcb |
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font_02_sfnt_off00009cf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CF5 | 4444 bytes |
SHA-256: 90f0c77c8f52a086b8a8bb864e3b25335c5b65add995715eed47ebad3fe02093 |
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