MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.com/wix?keyword=siberian+mouses+mm_30 as pointing to malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm designed to obscure the final destination or distribute traffic. The presence of a 'download button' lure further supports a malicious intent to trick the user into clicking through to a potentially harmful site.
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.com/wix?keyword=siberian+mouses+mm_30 In PDF document text
- http://sharingfiles.ws/download/folder/1743421In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/8de238_55e81f69dfab4c75a6f4c7beb094aa35.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e97d1b49d85246f88f14ebaee3a5159f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1c8c6c_1c19c3c2ee3e4338bc463548b607c528.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7f46b5_0a289d3d11ad4576bede757c2f7eaeef.pdfIn PDF document text
- https://static.usrfiles.com/ugd/278743_41d8f573c02c45b3a82655eb30477833.pdfIn PDF document text
- https://static.usrfiles.com/ugd/33a16d_051772f176bf486ca7ed206c7a13f595.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_b8cec578f8b942bfbaceeef63fab3667.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_c762cac771034d9f9681d8e751bb0e0c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_54e0d526506b431ab5c943c5b52a4383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7917/8142/files/manual_lathe_machine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7773/0455/files/dezuki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5963/3559/files/74426590135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4958/0704/files/curso_de_analise_fundamentalista.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4673/9866/files/48053069131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5032/6421/files/88715576574.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008ea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EA6 | 4568 bytes |
SHA-256: 64d2bae3176bab35271de66f0f497fa0045dad83682451568c126463f18faf5e |
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font_01_sfnt_off00009ea3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EA3 | 5380 bytes |
SHA-256: 86c06bd1cf5c5240d8537aa05c923d93f3f39fbfeef3b8e0faa5b8fb7bbfb347 |
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font_02_sfnt_off0000b0cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0CC | 6520 bytes |
SHA-256: 32358e11195b7bc74dc69b1ec77337797b27d2319967fb2d51345f7f977fbe63 |
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font_03_sfnt_off0000c2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2BF | 14932 bytes |
SHA-256: bdd1e2aaa4e19fe3e74952024c389dd9356064468704af4cd9065c81e49a8efe |
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