MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a high number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation. One of the primary links directs to a known malicious redirector, ttraff.cc, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains text related to a 'Bose soundlink colour manual pdf' and the malicious URL, indicating a lure to trick users into clicking the malicious link under the guise of downloading a manual.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=bose+soundlink+colour+manual+pdf In PDF document text
- http://files.kisch.info/uploads/1/3/0/7/130775808/2519107.pdfIn PDF document text
- http://xenenojif.zenithcounsellingandconversation.com/uploads/1/3/1/6/131606289/46a60.pdfIn PDF document text
- http://tetaruje.verticalmilerally.com/uploads/1/3/0/8/130814179/zowerile_lononekokuge.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/1/0427/7351/2359/files/brinkmann_electric_smoker_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8874/8452/files/levananujubora.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94608223162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4299/5352/files/14066333719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/sirir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0751/6578/files/36513650630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2210/6271/files/89180704842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9715/9832/files/pupajoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6411/2805/files/74911042471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8275/2935/files/wufukomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5419/3057/files/mikavunejoxarivotovef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8094/1729/files/nj_st-_50.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_off000074bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74BD | 5416 bytes |
SHA-256: d5fb800aa5b0a0f0423b4fc36f9dd9be982d66f669644fb996fcdb2195928b1b |
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font_01_sfnt_off0000870c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x870C | 10228 bytes |
SHA-256: 988c115164a8d6f788944426ef9b4225cc989a039924a1ec53dea0c22dd26f0e |
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