MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for sheet music, leading to a redirector. The presence of numerous external links, many pointing to Shopify domains, suggests a link farm or SEO manipulation tactic to distribute 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.ru/pify?keyword=you+will+be+found+sheet+music In PDF document text
- http://files.colhenryart.net/uploads/1/3/2/7/132740633/c5664.pdfIn PDF document text
- http://files.trucksntools.com/uploads/1/3/1/4/131453276/mapisilojifep.pdfIn PDF document text
- http://files.kscenvironmentalstudies.org/uploads/1/3/1/6/131637606/bolipopudegin.pdfIn PDF document text
- http://files.lashthetics.shop/uploads/1/3/2/6/132695601/1356740.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/9063/2101/files/biological_anthropology_concepts_and_connections_2nd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rodol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9525543421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3476/2664/files/fujanuvezofotakajafager.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0805/5720/files/apraxia_da_fala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/16765622474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/fikomixiluzotasilugekiwob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6340/2905/files/33629063880.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6845/6086/files/47163539776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6133/8531/files/basic_accounting_cycle.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_off00007e1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E1E | 5032 bytes |
SHA-256: b26264315096d167d32b6969d30857789cd02d6a0d81b2a22e1308e84b12ef50 |
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font_01_sfnt_off00008f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F20 | 10492 bytes |
SHA-256: 58d5d6b21ba689a8ff7ed37427656969c3d2fcc45816a0e6e9e114f33f6b960e |
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font_02_sfnt_off0000b344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB344 | 16100 bytes |
SHA-256: d973db94ba2c448c661c26f08d051ac794e7cb4f3c7daa33c2141e8036f071b6 |
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font_03_sfnt_off0000c812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC812 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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