MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it is a malicious redirector and part of an SEO link farm, designed to lure users with fake download prompts. The embedded URL, https://ttraff.cc/pify?keyword=android+studio+for+windows+7+free, is a known malicious redirector. The document body, though heavily obfuscated, contains references to 'Android studio for windows 7 free' and a URL, suggesting a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=android+studio+for+windows+7+free In PDF document text
- http://files.precisionhvac.us/uploads/1/3/0/7/130739747/gikigewuj.pdfIn PDF document text
- http://files.bethanylutheranrlf.com/uploads/1/3/1/3/131381819/sizumomonogup.pdfIn PDF document text
- http://files.smithpoolservice.com/uploads/1/3/2/7/132740620/gewulubiz.pdfIn PDF document text
- http://files.jakyoga.com/uploads/1/3/2/7/132740405/d4480fd1.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/1/0430/3133/0969/files/58318523286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3882/5883/files/63542116260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2982/1597/files/statistical_data_collection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6861/1989/files/4240507416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0065/9100/files/calendrio_agosto_2020_para_imprimir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6993/1671/files/15_minutes_to_a_better_interview.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/ladowexokawakizuvome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6572/9429/files/vizopekefodem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9191/1066/files/44613862951.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7039/7339/files/34950218395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.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_off00006e32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E32 | 4820 bytes |
SHA-256: 975d564494aee40b6b6bc929d6d923358bb09f6995da59bdc21715406b85626f |
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font_01_sfnt_off00007ec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EC1 | 10144 bytes |
SHA-256: f4b0b1ed495d2e4e0e58d72ac970251084c6f02eae55ecdbfac6d57b5cd6ee1b |
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