MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=sp+balasubrahmanyam+christian+songs+free'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, many of which point to Shopify domains. The presence of a 'download button' heuristic further suggests a social engineering lure. The document body, though heavily obfuscated, contains the same redirector URL and a call to action, reinforcing the malicious intent.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=sp+balasubrahmanyam+christian+songs+free In PDF document text
- http://wovokali.greatwitsjump.com/uploads/1/3/0/9/130969204/durilozam_rumogesuna_guvalaninoso_lipupu.pdfIn PDF document text
- http://files.affordabletherapytoronto.com/uploads/1/3/0/7/130738984/9436615.pdfIn PDF document text
- http://files.cookingfunbyz.com/uploads/1/3/1/8/131857465/dosewavoniguje.pdfIn PDF document text
- http://files.samanthagottlich.com/uploads/1/3/1/3/131380995/7628399.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/1/0428/9835/8432/files/4077026649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2004/1886/files/kinunefabok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/59786283374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/84904593431.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1142/1854/files/ardhanariswara_stotram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1133/2507/files/25243051420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/serananovuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/english_grammar_language_as_human_behavior.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5013/7760/files/61540442917.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_off00004cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CEF | 5776 bytes |
SHA-256: f83735fdf87f1fb446e753ee7d6f97114e27d4017df43ac79b202d664d35a5dc |
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font_01_sfnt_off00006072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6072 | 9828 bytes |
SHA-256: 9533c2d33b444c07704a95b2479e75195a7ab4aba5df2e65ec8b90e897e85565 |
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font_02_sfnt_off00007c8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C8F | 10320 bytes |
SHA-256: 73546fc9d377644b9999fb2b5e63b7d7a4693e56a81c22912b70ec9c86f3d3fb |
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