MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document contains numerous links, many of which point to a redirector infrastructure at `ttraff.ru`. The document body and heuristics indicate a lure for a "bandmusic pdf library" which likely serves as a phishing or malware distribution front. The ML classifier strongly indicates maliciousness, and the presence of embedded links suggests an attempt to direct users to malicious sites.
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=bandmusic+pdf+library In PDF document text
- http://files.danhalpernmusic.com/uploads/1/3/2/7/132740545/4271840.pdfIn PDF document text
- http://files.anamarielewis.com/uploads/1/3/0/7/130776246/sebesoratom-piridi-nisibulujititud-jajefusivi.pdfIn PDF document text
- http://babijugid.impactwisconsin.com/uploads/1/3/1/4/131453574/kiwul_juvanilur_ladudibewimuvad_vujojuxe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0486/files/20918929498.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7201/1941/files/21631282589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0151/1068/files/manual_of_structural_kinesiology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/98535090590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0926/1218/files/4070461811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/zixiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4872/0789/files/dinowed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5639/0559/files/rixamapivazeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/bot_2_scoring_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/65446264189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6269/7894/files/nojowifabenepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nenixuraxolitater.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_off0000746d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x746D | 5164 bytes |
SHA-256: b769ab92868e70b5ad8f0f1f7ca58196b9e4d90c91a9bc553e36044d68a706e8 |
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font_01_sfnt_off000085cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CF | 10808 bytes |
SHA-256: 8becbc46c8bfe770847c42860b3f367d4f06a69cf2b0434a014997a5a6f901ee |
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font_02_sfnt_off0000aa7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA7F | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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