MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. One prominent link, 'https://ttraff.com/wb?keyword=linkin%20park%20what%20i've%20done%20piano%20sheet%20music%20pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, indicating the primary intent is to redirect the user to malicious infrastructure. The presence of numerous benign-looking Shopify links alongside the malicious one is a common tactic to obscure the malicious intent.
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/wb?keyword=linkin%20park%20what%20i In PDF document text
- http://files.roselawvermont.com/uploads/1/3/2/7/132710630/fugudekiwen_mosibab_fowasakeribido_rixafaboto.pdfIn PDF document text
- http://files.bartendingbydennisinc.com/uploads/1/3/2/6/132695361/josit.pdfIn PDF document text
- http://files.focused-fitness.com/uploads/1/3/1/3/131398140/5c3e1275b4f.pdfIn PDF document text
- http://dutuv.dryvettefit.com/uploads/1/3/1/6/131636948/1784653.pdfIn PDF document text
- http://kebowuves.returningtocompassion.com/uploads/1/3/2/6/132680813/safanonuf.pdfIn PDF document text
- https://ttraff.com/wb?keyword=linkin%20park%20what%20i've%20done%20piano%20sheet%20music%20pdfIn 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/1/0432/7741/8651/files/authorization_letter_for_gst_registration.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9302/files/amphioxus_journal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/63220338722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7840/1700/files/narenukefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2697/0786/files/29078439598.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6472/9512/files/cat_330_specification.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7665/7057/files/kunilugewudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1336/6182/files/samyutta_nikaya_italiano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3532/8663/files/pududidewarivibega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9224/5656/files/budez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1713/2442/files/blackroll_mini_bungen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3778/4229/files/surikimudojepomux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42262915950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3422/9406/files/revolenet.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000505f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x505F | 5552 bytes |
SHA-256: fdf4535aaf1894889eeb270ff3dd18d98439df1fee5723379585989d1506ef74 |
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font_01_sfnt_off0000632d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x632D | 9708 bytes |
SHA-256: 48eb951cd6dcbeff1283994b191791222473001b6957a615d9c912ac5a2b0ec1 |
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