MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL and appears to be a lure related to music. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, suggesting a link farm for SEO manipulation or distribution. No scripts were extracted from this sample.
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.ru/pify?keyword=waltz+in+a+minor+chopin+pdf+piano In PDF document text
- http://files.mortlakeartshow.com.au/uploads/1/3/1/1/131163872/a30982817.pdfIn PDF document text
- http://dusuluf.davisbaybc.com/uploads/1/3/2/8/132814930/jevosaputadomudutaxe.pdfIn PDF document text
- http://files.wc911.com/uploads/1/3/2/6/132680784/zafalunoburol.pdfIn PDF document text
- http://files.wickedladiesbeeco.com/uploads/1/3/2/6/132681586/2867730.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/1/0432/3095/3630/files/64735395565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dutevitijenunolekegek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1306/1277/files/42817989933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1384/8731/files/punim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29331550606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9459/8047/files/64195251110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1536/2984/files/broken_blade_of_heroes_vanilla.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6337/7048/files/59099926457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7656/7711/files/peraturan_akreditasi_rumah_sakit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7349/3406/files/78786360660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4230/7239/files/atonia_uterina_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/classification_of_vowels_and_consonants.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_off000055e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55E2 | 5280 bytes |
SHA-256: 33c2b4e3316c53261aaf7f9b16c0cc2dd9531c5832569dbb984c3a64f17cd85e |
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font_01_sfnt_off000067c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67C4 | 10204 bytes |
SHA-256: 506680b440f8a54533902c2e4fc360bd961d5cbec05ac6db97d61d4919d33197 |
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font_02_sfnt_off00008afd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AFD | 17268 bytes |
SHA-256: a53240878560bec67b4a42c0fa3ec1d40d73cc0ecf111e3f548d47568884d1fe |
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