MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a large number of embedded links, indicating a link farm. The primary malicious URL identified is https://ttraff.com/wb?keyword=yamaha%20power%20amplifier%20p2500s%20manual. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather to host these malicious links.
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=yamaha%20power%20amplifier%20p2500s%20manual In PDF document text
- http://files.mrsbscusd.com/uploads/1/3/1/4/131407155/zonutidigobi.pdfIn PDF document text
- http://files.mountainivy.org/uploads/1/3/1/3/131383383/8499704.pdfIn PDF document text
- http://files.konstantinvalchev.com/uploads/1/3/1/3/131384145/pejomaxodaxejin.pdfIn PDF document text
- http://files.kennedycounselling.com/uploads/1/3/2/6/132682335/1727826.pdfIn PDF document text
- http://files.communityoff-road.com/uploads/1/3/1/1/131164418/wapariwejak.pdfIn PDF document text
- http://files.zacharywarrenmusic.com/uploads/1/3/1/8/131871480/7576174.pdfIn PDF document text
- http://files.imagesbya2zphotography.com/uploads/1/3/1/4/131438329/sorulorenupixa_guriwap.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://luropatasoz.files.wordpress.com/2020/06/90037721548.pdfIn PDF document text
- https://leludibowen.files.wordpress.com/2020/06/ladilufakixekebulovonurip.pdfIn PDF document text
- https://mameloga.files.wordpress.com/2020/07/zesineziber.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6769/4501/files/lasuzisonexixixovukapug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78683638278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9590150980.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85755015361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sitadekekogog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0877/7637/files/livawoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/80341077433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasidobedibugamis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sekokejeninidifowabofu.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_off00005633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5633 | 5396 bytes |
SHA-256: 6b9196b9307fcb9213957e1d9761f10ae53ed03e0380430097039d21dc57b3e2 |
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font_01_sfnt_off00006869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6869 | 9712 bytes |
SHA-256: 8c31c11a41eb07ebf0bf996a170534709c58bb25fda921abd1ded00a55623c90 |
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