MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a high density of external links, many pointing to benign Shopify URLs, but one critical link to `ttraff.ru` is identified as a malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL and a lure related to sheet music. This suggests the primary purpose is to redirect the user to malicious infrastructure, likely for further exploitation or malware delivery.
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+of+the+flowers+violin+sheet+music+pdf In PDF document text
- http://files.marneltuckerpsyd.com/uploads/1/3/0/9/130968933/fuwezesitek_vodemipepirizi_rezab.pdfIn PDF document text
- http://files.vitoshapartners.com/uploads/1/3/0/7/130775009/4591719.pdfIn PDF document text
- http://files.bigblueword.org/uploads/1/3/0/7/130775366/32c9bf04eca1.pdfIn PDF document text
- http://files.wilcoxwellnessfitness.com/uploads/1/3/1/0/131070151/ac1ae596a1.pdfIn PDF document text
- http://files.ingecasteleyn.be/uploads/1/3/2/8/132816202/ddd7e07.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/1/0438/6321/2192/files/fazopeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3296/0409/files/introduction_to_containers_kubernetes_and_red_hat_openshift.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6249/3345/files/lemunalekifigiluwowikav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2344/8736/files/87999680635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8117/9048/files/ffxiv_plugin_act.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/nogemupilibavabinevekegar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/7385/7686/files/12233076837.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7215/1959/files/attitude_motivation_test_battery.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1557/7504/files/79523208970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7220/0608/files/61689697517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0419/9075/files/45476093935.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7971/9330/files/78819397238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/georgia_driver_s_manual_practice_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/3737/1037/files/linkedin_recruiter_training.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8196/5461/files/didoletasekafakizetevena.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_off000065e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E9 | 5608 bytes |
SHA-256: 3c1e91c80719a6a76d14e5d31a8273cfa7904ef8b0af2b931339ee2b00703fb7 |
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font_01_sfnt_off000078fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78FB | 10592 bytes |
SHA-256: e05679d9524adb85c4caf33619e75fa453dd8553c390a9fdcfa4373c07ac9b42 |
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font_02_sfnt_off00009d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D72 | 16100 bytes |
SHA-256: b330339415d7fa9c1b652c1fb2a052ec06569061b7b71506ab53161dc9b94742 |
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