MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'hallelujah ukulele tabs pdf' and the malicious URL, suggesting a lure. The presence of a link farm further indicates a malicious intent to distribute malicious content. The ML classifier strongly supports the malicious verdict.
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/pify?keyword=hallelujah+ukulele+tabs+pdf In PDF document text
- http://sakijalo.regiatax.com/uploads/1/3/0/8/130874329/17941e050e48.pdfIn PDF document text
- http://files.thecleanandsimplelife.com/uploads/1/3/0/7/130739202/jobuvarazis.pdfIn PDF document text
- http://zobuwus.travelblogbylily.com/uploads/1/3/0/9/130969352/zazume.pdfIn PDF document text
- http://romuwexow.maternity-depot.com/uploads/1/3/0/7/130776445/jepuxeviw.pdfIn PDF document text
- http://files.allnaturalsoapandspa.com/uploads/1/3/1/4/131406826/7c9be378.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/1/0434/6170/5888/files/24364285166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4673/0904/files/gateketawokib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4976/2459/files/cecilia_meireles_canticos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8906/8185/files/74530820705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/9827/1897/files/15499897128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3644/1752/files/ghatna_chakra_modern_history_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0164/2135/files/12874224449.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8679/0304/files/50997390360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5668/5468/files/famuwavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/dadajizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3866/2053/files/32212927877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3107/2666/files/stabilized_feedback_amplifiers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2901/2381/files/79105814155.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5516/9186/files/vopuduburebuvimib.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
🗂 Part of campaign:
londonstreetgallery.org
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7380 | 5276 bytes |
SHA-256: 1f2cef412ac54975ef8655295832aeec1f38e2846596c0c00d5c93bfa7494fe6 |
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font_01_sfnt_off0000856b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x856B | 15432 bytes |
SHA-256: 2259762b168e4ee5899d8fbdd9fc9110916604695acf34c19b349a772732b4c9 |
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