MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=kathi+mela+kathi+audio+song++starmusiq'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://static.usrfiles.com/ugd/9ea91e_e3a557df53fb43f48bb95ffd10b01994.pdf'. The presence of a 'download button' heuristic further supports the lure mechanism. The document body contains obfuscated text and the malicious URL.
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/wix?keyword=kathi+mela+kathi+audio+song++starmusiq In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/9ea91e_e3a557df53fb43f48bb95ffd10b01994.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c068f8_3afaf2bbd58541d492fdc8ded49db6b5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8127dd_56b9c84ddc7a4412a080798ad7a552c6.pdfIn PDF document text
- https://static.usrfiles.com/ugd/105a8c_3797ce0e7d274a198e89a8ccaeff5238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4815/5806/files/lean_canvas_model_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1916/6119/files/59453996335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8466/0380/files/ocarina_of_time_n64_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6662/2105/files/pokepilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1116/1768/files/acta_constitutiva_de_bimbo.pdfIn PDF document text
- https://static.usrfiles.com/ugd/628a76_87589575b69f4e358fc1d401ee5e630e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_d946a00d414141e79af84fb08e1ae5de.pdfIn PDF document text
- https://static.usrfiles.com/ugd/529dbf_e6ce46a4bbe6478ba2b0b406ecf816f7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_63aad2c1a8234b43a7d25d63c193b7e7.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_off000051ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51BA | 5400 bytes |
SHA-256: ecbd8178be2ad68caa50cd183e5a7e8065bab57cde9647ec8ff06fe4035cc8a4 |
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font_01_sfnt_off000063da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63DA | 10116 bytes |
SHA-256: af1d4e8f5066d3499bd5ab76f246e3f5124a496122d11de5c315be1da451bfa7 |
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font_02_sfnt_off000086a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86A9 | 16448 bytes |
SHA-256: bc6d684f813ac1c32be8bd0fe15b7813cdddcd900b6f98dcbbe4bb93017ec79b |
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