MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.com, suggesting a malicious intent behind the link farm. The document body is heavily obfuscated and contains the malicious redirector URL, further supporting this. No scripts were extracted from this sample.
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=circle+of+5ths+sheet In PDF document text
- http://dokowok.freemarissanow.org/uploads/1/3/1/8/131871674/6ce60f562af.pdfIn PDF document text
- http://files.cjsprofessionalcleaning.com/uploads/1/3/1/6/131606094/jivanuroxox.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/1/0450/0199/8504/files/best_way_to_get_coal_stardew_valley.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8624/2209/files/cognitive_archaeology_and_human_evolution_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1789/6089/files/vafeverorozifiruko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/banen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/wepefosedofegojodar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0258/4480/files/51571649673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/pimejawol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5184/3733/files/romofakojaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2894/5819/files/88569334549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5293/3021/files/37723019974.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/21325757325.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4506/8699/files/2020_monthly_calendar_tamil_nadu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7562/4355/files/pusenigetopawukajasezolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4333/files/41347202980.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6978 | 4788 bytes |
SHA-256: e6ad7baaadc1e129f3a0476bc5e9a11f70876945c25eda5f37a334749eeaf3c6 |
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font_01_sfnt_off000079b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B8 | 10032 bytes |
SHA-256: 91b9056765165410127eef46d0c8ef2b6ee11e2ef9d92e95d11704b001e42145 |
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font_02_sfnt_off00009c41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C41 | 16120 bytes |
SHA-256: 46d9b83afd797048ab251ddfc9ca9a6db44f3280724c231f6a80a061bcc6fc12 |
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