MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic match for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a bass tab PDF. The presence of numerous external links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to distribute the malicious content. The primary malicious IOC is the redirector URL.
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.cc/pify?keyword=californication+bass+tab+pdf In PDF document text
- http://files.nagpra-unwinding.com/uploads/1/3/1/4/131407112/xaxokudo_nufuvivizeletuj_zoliwela.pdfIn PDF document text
- http://files.niloalcala.com/uploads/1/3/0/8/130873983/9010047.pdfIn PDF document text
- http://files.leedsfire.org/uploads/1/3/1/8/131856086/6480638.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/1/0434/4836/9319/files/boyce_diprima_differential_equations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1043/1896/files/alfabetidad_visual_arquitectura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/1475/3189/files/silk_alessandro_baricco_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/riwaruwawaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0306/0128/files/36342066929.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7888/5280/files/zevexuvofatowebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4043/9446/files/33786005611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6968/6431/files/35966035357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/dalagopami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0609/7570/files/can_you_play_vrchat_without_a_headset.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4234/6907/files/zaroribemekunudinopikida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4244/6231/files/59393436771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/fozuresa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9979/8166/files/buffalo_soldier_tanya_landman.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_off0000726f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x726F | 4984 bytes |
SHA-256: fee7c7a2520c7081c358dc2a55106527b9b560c517cffa850f3dda1a88e25e85 |
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font_01_sfnt_off0000835a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x835A | 15516 bytes |
SHA-256: e0eceb6df3ff95b7c0aa1605ede388c587a9e41c0581a2439bf9addaed27cb22 |
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font_02_sfnt_off0000b388.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB388 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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