MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=carpenters+sing+sheet+music+pdf'. This suggests the document is designed to redirect users to malicious sites. The presence of many Shopify-hosted PDF links, while individually benign, contributes to a link farm pattern, likely for SEO manipulation to improve the ranking of the malicious redirector. No scripts were extracted, but the overall pattern points to a phishing or malware distribution lure.
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=carpenters+sing+sheet+music+pdf In PDF document text
- http://viliduxa.sheilajnorris.com/uploads/1/3/0/7/130775475/cc1d784a89.pdfIn PDF document text
- http://files.dawndiezwillis.com/uploads/1/3/2/6/132695862/tazuda_wetonibojiw.pdfIn PDF document text
- http://files.shipasapfreight.com/uploads/1/3/2/6/132682833/1876bc94.pdfIn PDF document text
- http://files.glynnpt.com/uploads/1/3/0/7/130739621/2612858.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/1/0430/1307/9203/files/58448030583.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/59104975412.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5114/6649/files/sisup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/fabadurosenux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7318/3643/files/37588662235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/47150257308.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6332/0469/files/general_organic_and_biological_chemistry_timberlake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1400/3610/files/toludosujirefepafavof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/mowovikilakatalewijugekas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/fonadimidibisezojalatajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4557/6088/files/24929620581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5037/6099/files/editorial_writing_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7977/7952/files/65251997997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2674/9339/files/newesowagagabizepofelatun.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_off00004ecc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4ECC | 5440 bytes |
SHA-256: 7f09666f0e8d91baf0680a44d1ea7b407500d96645f99b5b3aedbf8e4573eab3 |
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font_01_sfnt_off00006120.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6120 | 10436 bytes |
SHA-256: af77943fdf779978dd213ec2230ffdd1c5e2c846e3e7840708694efb7f55d3b7 |
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