MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with a critical heuristic firing for PDF_SEO_LINK_FARM indicating a link farm. One of these links, 'https://ttraff.com/pify?keyword=ave+maria+gounod+violino+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to these URLs, suggesting the primary purpose is to lure users to malicious sites.
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.com/pify?keyword=ave+maria+gounod+violino+pdf In PDF document text
- http://files.cerealalchemist.com/uploads/1/3/1/3/131397946/basexaguvefufu.pdfIn PDF document text
- http://files.youtrition.co.uk/uploads/1/3/0/9/130969426/7205707.pdfIn PDF document text
- http://files.siamdayspa.com/uploads/1/3/0/7/130775046/kozajibori.pdfIn PDF document text
- http://files.distrixgames.com/uploads/1/3/1/3/131384429/balav.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/1/0432/4252/0739/files/woximifadojelozidefewanaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9843/7787/files/molana_masood_azhar_bayan_mp3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8725/0087/files/44976389112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7300/3939/files/56909751044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7045/5965/files/english_grammar_auxiliary_verbs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7852/4831/files/69369791131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/puvotore.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5892/0605/files/veneridened.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9334/3912/files/master_of_disguise_sse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5897/8207/files/xewodugoruwizoniwarosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5743/0176/files/kirotasuruvizolofabin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27392185694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5892/1621/files/73073287075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2392/5402/files/mawebunevupazofavaxoxoga.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6786 | 5232 bytes |
SHA-256: 3b8b67e1c17f10cf092ddda2f70f2ffcc5f4c6c35a982a5967b4f698f9a5e1d4 |
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font_01_sfnt_off0000793e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x793E | 2060 bytes |
SHA-256: e745cce7314f750046998af004fecd6a123a5fbbaded7f985ee1a2ff572d7d46 |
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font_02_sfnt_off000082e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E6 | 15460 bytes |
SHA-256: b81ba780d8b21741b9335dcc6e74bc7e8e44f4d493d6517a3cdf15ecd3184996 |
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font_03_sfnt_off0000b265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB265 | 16096 bytes |
SHA-256: 292b67320f20e7e38814323bff47001ccb55b5eebb397aea8a254f3e91f57b87 |
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