MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL 'https://ttraff.cc/pify?keyword=after+effects+tutorials+in+tamil+pdf' is a key indicator of this redirection. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a lure to download further malicious content.
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=after+effects+tutorials+in+tamil+pdf In PDF document text
- http://files.ccsprings.com/uploads/1/3/0/8/130874526/2444b80c7b.pdfIn PDF document text
- http://files.kristasharmonymusicstudio.ca/uploads/1/3/1/4/131482941/padutanele.pdfIn PDF document text
- http://files.patersonsland.co.uk/uploads/1/3/2/3/132303238/gumuketonowusex.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/1/0428/9835/8432/files/8011835234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2192/4514/files/delta_sigma_theta_achievement_test_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8458/2813/files/avd_video_downloader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/wijawedavad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/36929516312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3455/9143/files/treatment_for_antisocial_personality_disorder.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3844/8548/files/boron_family_mcq.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/1505/8086/files/what_is_an_example_of_a_subtitle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pesaveput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7421/4306/files/automatismos_industriales_editex_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1496/3868/files/fumunanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8134/3900/files/diberidavulosunuziwipuk.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9207 | 5288 bytes |
SHA-256: 48ebb636c46b2b09d69457173d63928bb701da7750cac34dc2c013e9df30dd58 |
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font_01_sfnt_off0000a3ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3EF | 10848 bytes |
SHA-256: 2b6f6a2fb2855c9df18ec48d2b4cfe740a422c8e908475697e5ff3497fd20088 |
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font_02_sfnt_off0000c908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC908 | 16168 bytes |
SHA-256: a39056ceb67e0f692823e2bfa14381fc6a83c992cc87368c94e015e86c1431f8 |
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