MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files, many of which are hosted on Shopify and appear to be part of a link farm designed to improve search engine ranking. The primary redirector URL, https://ttraff.com/pify?keyword=simultaneous+equations+worksheet+with+answers, is flagged as malicious. This suggests the document is used as a lure to drive traffic to malicious or SEO-manipulated content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=simultaneous+equations+worksheet+with+answers In PDF document text
- http://files.andrewpoppleton.com/uploads/1/3/1/6/131606803/3685673.pdfIn PDF document text
- http://files.hashimakib.co.uk/uploads/1/3/0/9/130969645/zovubifokulos-tolufutefi-fifis.pdfIn PDF document text
- http://files.deafwomenofohio.org/uploads/1/3/2/6/132695730/bipilukobafa-rezaruraselivax-xopulupunufuma-xomaw.pdfIn PDF document text
- http://files.roothousemuseum.com/uploads/1/3/0/7/130739850/75fa388cf3d3028.pdfIn PDF document text
- http://files.sheiladavis.ca/uploads/1/3/1/4/131452783/nopudokuv_pejarerawaxeje_kojeg.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/1/0432/7315/8821/files/bivabavegedowajolubepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mulobovapu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/26801663930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7927/9527/files/38145819138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0631/9001/files/84835098530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/zupuparinozatidus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0300/1502/files/demaxofivefitoliku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0185/6679/files/piwekuwekixerunokik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0071/files/99842492180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9408/7582/files/suvemozewazij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3358/2998/files/tejiralunufibetodusiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1795/3702/files/17632915998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2940/4567/files/pajuzosurutoxokep.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_off000096d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96D6 | 5192 bytes |
SHA-256: 0881b2d742f238810aef69653d23a8fd432a1931f11c2c8d2905adcacc571fa2 |
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font_01_sfnt_off0000a857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA857 | 14804 bytes |
SHA-256: c74724116fcc2232e3b2fefc043e4b4e55d063c93c153d454115b8fa35969875 |
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