MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, with a primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure for free sheet music, which aligns with the redirector's keyword. The presence of multiple PDF links, many pointing to Shopify, suggests an attempt to create a link farm for SEO manipulation to drive traffic to the malicious redirector.
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=rewrite+the+stars+free+piano+sheet+music+pdf In PDF document text
- http://files.missdabbeekeh.com/uploads/1/3/1/4/131437061/mubogirutajekir-zevajem.pdfIn PDF document text
- http://files.teamanton.net/uploads/1/3/1/4/131407887/woguguxibux-malile-xuxuvipawa.pdfIn PDF document text
- http://files.lakeodessaarts.com/uploads/1/3/2/6/132681030/544629.pdfIn PDF document text
- http://files.jaxmta.org/uploads/1/3/1/1/131164479/dd11544a18286.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/1/0431/5738/9472/files/90547747306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/56293754430.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1557/7504/files/wodulabowuzizuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3096/9511/files/lapuferirigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1503/5291/files/3300817439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/darusatotarolusitoganeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9959/4656/files/12836025522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9496/6429/files/rufobozagata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/75704289086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1390/6327/files/41540760813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2063/9646/files/53745821752.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4409/2566/files/mubupenus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2344/0792/files/tanofevi.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_off000048e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48E3 | 5344 bytes |
SHA-256: 25010ad108defca936c9b6091eaf540978f855c40284462c5bf601a525851889 |
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font_01_sfnt_off00005aee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AEE | 9680 bytes |
SHA-256: 6fd0d36bcc25b14c62fe2bbff306efa2c88af9b0075ac7c7ef9b0ec1ed9120fd |
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font_02_sfnt_off00007c28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C28 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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