MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to external resources, masquerading as a tool to reduce PDF file size. The primary link, 'https://ttraff.cc/wb?keyword=reduce%20pdf%20size%20online%20free%20in%20kb', is identified as a malicious redirector. This suggests the document is part of a phishing campaign designed to lead users to malicious websites. No scripts were extracted, but the embedded URLs and heuristic firings strongly indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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/wb?keyword=reduce%20pdf%20size%20online%20free%20in%20kb In PDF document text
- http://files.manzanitaspreschool.org/uploads/1/3/0/7/130776673/pimudavisafamipawopa.pdfIn PDF document text
- http://files.mylgtg.com/uploads/1/3/1/6/131607467/zetaruwunetopasus.pdfIn PDF document text
- http://files.channingbenjamin.com/uploads/1/3/1/8/131871558/virepinutes.pdfIn PDF document text
- http://files.didactic-engineering.com/uploads/1/3/1/4/131438002/rinusula_pilizuwar_pusanezesoni.pdfIn PDF document text
- http://files.thewisdenartist.com/uploads/1/3/1/8/131871593/2e7a538.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/7964/7900/files/66662191922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7541/2902/files/69389810833.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1189/9545/files/61830870882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7405/files/zegebiwowudefasukeme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6753/0655/files/91866651618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5756/9176/files/50697784180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6172/2788/files/3862459330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1442/2687/files/napuzamotaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3510/6203/files/mazirixamuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9789/1751/files/tirexofolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6996/4439/files/fusolibogedan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2118/9788/files/sidimewedubevud.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_off0000562e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x562E | 5004 bytes |
SHA-256: 8bf20b9963d8bd57bd61ab52d2c8b409fb146922112a75f592c39abe8c1a506e |
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font_01_sfnt_off00006739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6739 | 10208 bytes |
SHA-256: 0fe9d874be9ab4473333bd32259ec53f725a29afdacbe2ab1be4fb124f362d45 |
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font_02_sfnt_off00008a0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A0F | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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