MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a critical heuristic identifying it as a redirector link to known malicious infrastructure. It also contains a link farm with numerous external PDF links, many hosted on Shopify, suggesting an attempt to obscure the final malicious destination. The primary malicious URL identified is https://ttraff.com/pify?keyword=cambridge+primary+english+stage+5+teacher+s+resource+pdf, which likely serves as a lure or initial stage for further malicious activity.
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=cambridge+primary+english+stage+5+teacher+s+resource+pdf In PDF document text
- http://files.jillrapperport.com/uploads/1/3/0/7/130776042/sexekusejuke_nadinafotoxevo_ruzise.pdfIn PDF document text
- http://files.pnwcollective.com/uploads/1/3/1/4/131453530/fagek.pdfIn PDF document text
- http://files.dustinrippetoe.com/uploads/1/3/1/6/131637224/lesovavemi.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/1/0428/7689/5398/files/sijakilujezijizavemesami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/ritelovufokazinoxulone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4883/6004/files/80510947776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/11453837191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9798/1089/files/34198079581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1339/7924/files/wobilizulebamoluxowe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9229/5332/files/viguki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1222/7225/files/75128540587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7150/4537/files/15175768502.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8561/0654/files/html_tags_and_their_uses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0331/3315/files/29964136646.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
🗂 Part of campaign:
dustinrippetoe.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000051cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51CB | 5840 bytes |
SHA-256: e333ce9f64a1f4da87b77b9bdcd9464b382a20a6ce317e021d5aa5c160b44906 |
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font_01_sfnt_off00006585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6585 | 10656 bytes |
SHA-256: c608677692a72db6ee49772446e3f5cf0be9586377f04c9c710ac6ad26560978 |
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font_02_sfnt_off000089c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89C5 | 16964 bytes |
SHA-256: 9eca09f5f5a5ae6aeb14838e1f7d6c4e8050a90f1286ce2590318f097e28e1fa |
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