MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.cc'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many hosted on Shopify. The document body, though partially corrupted, contains the URL 'https://ttraff.cc/pify?keyword=icaew+case+study+pdf', suggesting a lure to a malicious site disguised as a case study PDF.
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.cc/pify?keyword=icaew+case+study+pdf In PDF document text
- http://files.ultimatewithoutborders.org/uploads/1/3/2/6/132696465/gunitugufolesonu.pdfIn PDF document text
- http://files.sfmga.org/uploads/1/3/0/8/130814003/3da196da.pdfIn PDF document text
- http://files.thefensk.com/uploads/1/3/2/7/132740467/zalakowatinamu.pdfIn PDF document text
- http://gepuzobi.danecountymedicalsociety.org/uploads/1/3/2/8/132814930/difij.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/1/0447/2363/4330/files/google_adsense_policy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagesagebog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70277109097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9073/9361/files/deploy_keys_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1657/6424/files/sijojaloxagivan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1958/3133/files/18._2_modern_evolutionary_classification_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0611/3430/files/69712171104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0250/2054/files/37526363421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/sybex_ccna_security_study_guide_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/48234165952.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0839/3369/files/xotig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3184/6296/files/dufexelajujaromoxasig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2267/2284/files/44124270047.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C48 | 4772 bytes |
SHA-256: e2522c101662f889611b9b456534b166586f60e1c5db1434d9abfdcdcde65ee3 |
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font_01_sfnt_off00007c9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C9C | 9996 bytes |
SHA-256: 15393e2fffeb540c043ae141133575666e953d667189cbb8c983c0d7df87b2c3 |
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font_02_sfnt_off00009ee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EE9 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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