MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to a critical heuristic firing for a PDF redirector link pointing to 'https://ttraff.cc/pify?keyword=you+thought+i+was+worth+saving+chords'. Additionally, another critical heuristic detected a PDF link farm with 16 external links, many hosted on cdn.shopify.com. The document body contains garbled text but also includes the aforementioned redirector URL and several other Shopify-hosted PDF links, suggesting a coordinated effort to distribute malicious content through a large number of 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.cc/pify?keyword=you+thought+i+was+worth+saving+chords In PDF document text
- http://files.riveracorps.com/uploads/1/3/1/8/131856456/nodim.pdfIn PDF document text
- http://files.karenpikedesigns.com/uploads/1/3/1/6/131636562/50a4d6.pdfIn PDF document text
- http://files.soscarsoncity.org/uploads/1/3/1/6/131606121/3373008.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/1/0432/0781/9422/files/80157941697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9988/1639/files/the_story_of_an_hour_irony.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1395/6006/files/gajukupopovesoxul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0499/2408/files/5829457544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0007/0307/files/bepazowal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1872/1192/files/punopewozizerotinor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4630/4920/files/taxabujegovemadilelonipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2630/9535/files/jimuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1316/8542/files/suwelazopotivejataburif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0023/3112/files/97961035121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/puzolevubesiwemeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6590/9160/files/66125950220.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_off0000631f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631F | 8332 bytes |
SHA-256: 302ee50e4b54faec8174aa8a7748a03da511b500a5444bd742f18f8b4b3b2e39 |
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font_01_sfnt_off00007f04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F04 | 5280 bytes |
SHA-256: 38c9dc8d528e63e62afd2bbd0bcaab4b6cca9ad363f2fdcf815eef082e53fe3f |
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font_02_sfnt_off00009110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9110 | 10448 bytes |
SHA-256: 9857b607b087a86331e298ad187ff5bb5c1388abf7b78bd67b8cd8235b88d08b |
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