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, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the same redirector URL and a reference to 'strategic air command march sheet music', suggesting a lure to trick users into clicking the malicious link.
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.cc/pify?keyword=strategic+air+command+march+sheet+music In PDF document text
- http://winat.kellysserenityhouseinc.com/uploads/1/3/2/6/132680981/df7829f43.pdfIn PDF document text
- http://files.oregonstateinvestmentgroup.com/uploads/1/3/1/6/131636766/8304644.pdfIn PDF document text
- http://denogufep.thegonnermans.com/uploads/1/3/1/3/131383377/68ec7ebb313cdea.pdfIn PDF document text
- http://wojobu.threeoakwines.com/uploads/1/3/1/8/131872055/8637597.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/1/0433/2814/3510/files/vikaxotutire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0510/0707/files/matamabufixemujiriwikiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2310/4160/files/african_material_culture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/essentials_of_investments_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6205/5332/files/bsc_1_physics_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2720/2205/files/wozivirapesorumewosamab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6930/8061/files/apple_watch_2_vs_3_performance.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6181/4172/files/flirting_jokes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2431/8618/files/16752403446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2014/7095/files/11335821613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3901/4562/files/fejuzefuwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6295/1062/files/fefurusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0239/4786/files/converting_inches_to_feet_worksheet.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000053ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53CA | 3292 bytes |
SHA-256: dffc1c96dd4614722fcb06e31bc20a9a9aa5889e2dc742e65b00446c2f9504c5 |
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font_01_sfnt_off00005f9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F9B | 5424 bytes |
SHA-256: 9c0eeaf62274643b384ca996e33ca996175ff4f09311842a5b05de1b69381831 |
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font_02_sfnt_off000071cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71CD | 10308 bytes |
SHA-256: cb1f0095822c64fa59ab7dec421a0321b04a7ac0ede5fd5a732c7d19069a4105 |
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