MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded URLs, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, indicating a potential phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
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=apollo+100+joy+sheet+music
- http://files.illlaladesigns.com/uploads/1/3/0/7/130740625/94f3e9ddfc.pdf
- http://filex.adelaide-brushfencing.com.au/uploads/1/3/1/3/131381518/zajemosizuwu_xipefuxejalaz.pdf
- http://files.julietzanniceramics.com/uploads/1/3/0/7/130739212/8487808.pdf
- http://kunusop.pofarmersmarket.com/uploads/1/3/2/7/132712286/kopomujuwal.pdf
- http://files.lawtonacademyrobotics.com/uploads/1/3/1/6/131637016/4885668.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4619/8683/files/2125107440.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9877/files/38408472845.pdf
- https://cdn.shopify.com/s/files/1/0437/4695/1319/files/apprendre_l_anglais_grammaire.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ketotojugidumirazi.pdf
- https://cdn.shopify.com/s/files/1/0433/6146/8567/files/drill_sergeant_modules_army_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/8862/5302/files/gejazebopuzewufuxipux.pdf
- https://cdn.shopify.com/s/files/1/0432/2328/5928/files/29773465823.pdf
- https://cdn.shopify.com/s/files/1/0437/6428/5601/files/rowesixevo.pdf
- https://cdn.shopify.com/s/files/1/0430/4044/0471/files/43612045397.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39086675177.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005793.bina9eb115288b956c71ff398b8370cc2edc273bbe1ab080b96764b43f433a8a5b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5793 | 5228 bytes |
font_01_sfnt_off00006956.bin975aaedff0c1230f70bacdc6fa8d939bde5870c5faeef9ced5fbf894be345802 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6956 | 9956 bytes |
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