MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The presence of a large number of external PDF links, many pointing to Shopify domains, suggests an attempt at SEO manipulation or a link farm to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=spectrum+word+study+and+phonics+grade+1+pdf
- http://files.emilymariephotographie.com/uploads/1/3/1/8/131860204/vuwisejexolokanula.pdf
- http://files.simplyscrunchyeg.com/uploads/1/3/1/0/131070151/tujadevesugigogujuz.pdf
- http://files.vivagreb.com/uploads/1/3/1/6/131637034/kimab-sugala.pdf
- http://files.travelingdoves.com/uploads/1/3/2/7/132712315/b9d69f31.pdf
- https://cdn.shopify.com/s/files/1/0431/5712/7336/files/ems_field_guide_bls_version.pdf
- https://cdn.shopify.com/s/files/1/0435/5804/3807/files/80824263413.pdf
- https://cdn.shopify.com/s/files/1/0433/2781/5833/files/sanagifekogonif.pdf
- https://cdn.shopify.com/s/files/1/0429/1434/9219/files/vaxelafogajer.pdf
- https://cdn.shopify.com/s/files/1/0444/6945/2967/files/inequality_word_problems_algebra_1.pdf
- https://cdn.shopify.com/s/files/1/0432/7689/4372/files/setikufavel.pdf
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/doduwakuresubowudiz.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6556/files/rapamerimelemaguwikovo.pdf
- https://cdn.shopify.com/s/files/1/0428/8544/7833/files/43823051428.pdf
- https://cdn.shopify.com/s/files/1/0431/7079/1573/files/resisuwurubetonijuj.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060a5.bin6b0444909a9b5013ab2b66c8cf1a38ea4bb2da9b368defc417303658d32daa3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60A5 | 5884 bytes |
font_01_sfnt_off0000749a.binc9063e8c830ed1ec2dc31c8219e63b5d0465d03e56df4af2ceb619dc4541c7e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x749A | 9824 bytes |
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