MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, suggests a lure for sheet music, likely a phishing or malware distribution attempt. The presence of a malicious redirector and a large number of external links indicates an attempt to drive traffic to malicious infrastructure, potentially for further exploitation or credential harvesting.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/pify?keyword=arabesque+2+debussy+sheet+music In PDF document text
- http://files.ailightup.com/uploads/1/3/2/8/132814123/4850100.pdfIn PDF document text
- http://files.pghdawgs.com/uploads/1/3/2/6/132695212/9502732.pdfIn PDF document text
- http://files.eastafricanscholarsfund.org/uploads/1/3/0/8/130874284/rirate.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/1/0435/1541/2632/files/64467419914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dutevitijenunolekegek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8005/5958/files/nalugeturup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7573/9560/files/52569299959.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8502/7745/files/7760983494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/93503633511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9508/1635/files/towejadagoxalebamapiwoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5654/6467/files/6477166024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7678/0181/files/88310300616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4469/0337/files/sivolixatebagurivimavenow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9100/0472/files/lotaxupazedipejixeniv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekugoxozeritazol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jonexosorovofevovu.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_off00006a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A19 | 5304 bytes |
SHA-256: 7d05087c6e7710611461a47d71c5572687013c753c941f8eb3d41d7c07d80ac5 |
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font_01_sfnt_off00007c1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C1F | 16092 bytes |
SHA-256: 0b3e642662e1321b2e59f0027addbbd0129a34a0167db7542049233752822898 |
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