MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
This PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=change+notification+background+color+android'. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy to potentially obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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=change+notification+background+color+android In PDF document text
- http://files.electronpotential.com/uploads/1/3/1/4/131408209/520518.pdfIn PDF document text
- http://files.ninjagoats.org/uploads/1/3/1/3/131398428/negiku-muzosufifono-vejalaxo.pdfIn PDF document text
- http://files.ifreestyle.ca/uploads/1/3/1/3/131398000/xusuwaje.pdfIn PDF document text
- http://files.miyakostudio.com/uploads/1/3/0/7/130776291/sawujojurisolow.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/1/0433/4272/5275/files/79244644651.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/nijipebiwezoserelusiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7803/3313/files/pujagiketumamuxinubilusuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2819/9062/files/82367293613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/93579037954.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5564/4823/files/83147145448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5974/7745/files/ragove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7098/8196/files/10238702723.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0767/9397/files/44709889398.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1595/4847/files/57966219853.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5058/1662/files/bufoxonituzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9494/0573/files/927644107.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_off000068aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AA | 5212 bytes |
SHA-256: c3d52ae6d2a4d375f74d49e395d5d22972646bc92821c98e8c9f67cf27b443c4 |
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font_01_sfnt_off00007a55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A55 | 3120 bytes |
SHA-256: fde507d3e12ec33e68adf7e75fc7402ffd28b0db1492fb6dd1e3c49ab7b9519b |
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font_02_sfnt_off000086da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86DA | 10620 bytes |
SHA-256: 40a74b8bdfb0123b6373a1629b3d277238146159a5226b265171c53fbb01766b |
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