MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, disguised with a search query for 'biology book class 9 pdf'. It also exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The presence of a visual download button lure further supports the malicious intent. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.
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/pify?keyword=biology+book+class+9+pdf In PDF document text
- http://vutenu.ilketshallstandrew.com/uploads/1/3/2/8/132814935/897872.pdfIn PDF document text
- http://files.mariedilorenzo.com/uploads/1/3/0/7/130776775/17f41ba.pdfIn PDF document text
- http://sojezuw.whiteoakbenddairygoats.com/uploads/1/3/1/8/131871871/f921c45e56caa2e.pdfIn PDF document text
- http://files.mortgageinsuranceontario.ca/uploads/1/3/1/4/131408970/ea3395081748.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/1/0435/5322/6913/files/jesaviwoninitedanozago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/sijakilujezijizavemesami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6141/9927/files/75542770978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6665/3858/files/jvc_remote_control.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85755015361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0816/3993/files/48713426341.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3604/7525/files/fishing_report_on_bull_shoals_lake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5269/3654/files/betagro_annual_report_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4498/6262/files/tabela_amperagem_fios_eletricos.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6166 | 5220 bytes |
SHA-256: 7d6c9bbccb27be9919ac58853ecf13be360f5b90516e4d8238bccd227f86d151 |
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font_01_sfnt_off00007326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7326 | 10276 bytes |
SHA-256: 549e2bcfa9dcb0c1b5821b44936443fe73f57bc24265ad32854ea0ce18fa9509 |
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font_02_sfnt_off00009688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9688 | 17980 bytes |
SHA-256: 6517e369393d16c7899f36ca6914edefe2b8b294d4a609ea03bc814193fec574 |
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font_03_sfnt_off0000b227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB227 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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