MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with 30 generated links pointing to external PDFs. One of these links, 'https://ttraff.ru/pify?keyword=brother+song+status', is identified as a malicious redirector. The presence of a visual download button further suggests a lure to entice user interaction. The overall pattern indicates a likely SEO link farm or a redirection scheme to malicious content.
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.ru/pify?keyword=brother+song+status In PDF document text
- http://files.torontoislandlakeswim.com/uploads/1/3/1/4/131407493/06958cf889715c6.pdfIn PDF document text
- http://files.awardsink.com/uploads/1/3/1/4/131453124/6759168.pdfIn PDF document text
- http://files.amadauniversity.com/uploads/1/3/0/7/130775084/tikefowofoletuw.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/1/0431/7727/9652/files/bezexivivizewurikinijiju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pinabazebovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3825/0910/files/how_to_remove_java_from_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7931/0239/files/57064239608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52209678420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2561/3475/files/multivariate_normal_distribution_scipy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3797/2897/files/analytical_methods_in_economics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8942/0695/files/71762093881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9732/5732/files/97782573777.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4959/8632/files/algebra_1_chapter_7_test_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1241/3851/files/kojuzuvivovewebavaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0522/2813/files/sufexuriniwaxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9504/6824/files/mesozonefavavapibudexulew.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_off00005cf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF9 | 4964 bytes |
SHA-256: 4b4f1353d2a728694619916107b209def2337e5d94a0944c2237745b0ea683bb |
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font_01_sfnt_off00006dd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DD5 | 10096 bytes |
SHA-256: 9abf07df98079eeb171ef200add2038fff64925ee8c1070ff19ab4c4efb4fec7 |
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